415 lines
19 KiB
LLVM
415 lines
19 KiB
LLVM
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; Test strict multiplication of two f32s, producing an f64 result.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare float @foo()
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declare double @llvm.experimental.constrained.fmul.f64(double, double, metadata, metadata)
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declare float @llvm.experimental.constrained.fadd.f32(float, float, metadata, metadata)
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declare float @llvm.experimental.constrained.fptrunc.f32.f64(double, metadata, metadata)
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declare double @llvm.experimental.constrained.fpext.f64.f32(float, metadata)
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; Check register multiplication.
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define double @f1(float %f1, float %f2) #0 {
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; CHECK-LABEL: f1:
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; CHECK: mdebr %f0, %f2
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; CHECK: br %r14
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%f1x = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %f1,
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metadata !"fpexcept.strict") #0
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%f2x = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %f2,
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metadata !"fpexcept.strict") #0
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%res = call double @llvm.experimental.constrained.fmul.f64(
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double %f1x, double %f2x,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret double %res
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}
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; Check the low end of the MDEB range.
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define double @f2(float %f1, float *%ptr) #0 {
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; CHECK-LABEL: f2:
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; CHECK: mdeb %f0, 0(%r2)
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; CHECK: br %r14
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%f2 = load float, float *%ptr
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%f1x = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %f1,
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metadata !"fpexcept.strict") #0
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%f2x = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %f2,
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metadata !"fpexcept.strict") #0
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%res = call double @llvm.experimental.constrained.fmul.f64(
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double %f1x, double %f2x,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret double %res
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}
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; Check the high end of the aligned MDEB range.
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define double @f3(float %f1, float *%base) #0 {
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; CHECK-LABEL: f3:
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; CHECK: mdeb %f0, 4092(%r2)
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; CHECK: br %r14
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%ptr = getelementptr float, float *%base, i64 1023
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%f2 = load float, float *%ptr
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%f1x = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %f1,
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metadata !"fpexcept.strict") #0
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%f2x = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %f2,
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metadata !"fpexcept.strict") #0
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%res = call double @llvm.experimental.constrained.fmul.f64(
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double %f1x, double %f2x,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret double %res
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}
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; Check the next word up, which needs separate address logic.
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; Other sequences besides this one would be OK.
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define double @f4(float %f1, float *%base) #0 {
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; CHECK-LABEL: f4:
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; CHECK: aghi %r2, 4096
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; CHECK: mdeb %f0, 0(%r2)
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; CHECK: br %r14
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%ptr = getelementptr float, float *%base, i64 1024
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%f2 = load float, float *%ptr
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%f1x = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %f1,
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metadata !"fpexcept.strict") #0
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%f2x = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %f2,
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metadata !"fpexcept.strict") #0
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%res = call double @llvm.experimental.constrained.fmul.f64(
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double %f1x, double %f2x,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret double %res
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}
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; Check negative displacements, which also need separate address logic.
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define double @f5(float %f1, float *%base) #0 {
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; CHECK-LABEL: f5:
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; CHECK: aghi %r2, -4
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; CHECK: mdeb %f0, 0(%r2)
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; CHECK: br %r14
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%ptr = getelementptr float, float *%base, i64 -1
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%f2 = load float, float *%ptr
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%f1x = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %f1,
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metadata !"fpexcept.strict") #0
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%f2x = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %f2,
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metadata !"fpexcept.strict") #0
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%res = call double @llvm.experimental.constrained.fmul.f64(
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double %f1x, double %f2x,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret double %res
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}
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; Check that MDEB allows indices.
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define double @f6(float %f1, float *%base, i64 %index) #0 {
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; CHECK-LABEL: f6:
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; CHECK: sllg %r1, %r3, 2
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; CHECK: mdeb %f0, 400(%r1,%r2)
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; CHECK: br %r14
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%ptr1 = getelementptr float, float *%base, i64 %index
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%ptr2 = getelementptr float, float *%ptr1, i64 100
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%f2 = load float, float *%ptr2
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%f1x = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %f1,
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metadata !"fpexcept.strict") #0
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%f2x = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %f2,
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metadata !"fpexcept.strict") #0
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%res = call double @llvm.experimental.constrained.fmul.f64(
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double %f1x, double %f2x,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret double %res
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}
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; Check that multiplications of spilled values can use MDEB rather than MDEBR.
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define float @f7(float *%ptr0) #0 {
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; CHECK-LABEL: f7:
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; CHECK: brasl %r14, foo@PLT
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; CHECK: mdeb %f0, 16{{[04]}}(%r15)
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; CHECK: br %r14
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%ptr1 = getelementptr float, float *%ptr0, i64 2
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%ptr2 = getelementptr float, float *%ptr0, i64 4
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%ptr3 = getelementptr float, float *%ptr0, i64 6
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%ptr4 = getelementptr float, float *%ptr0, i64 8
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%ptr5 = getelementptr float, float *%ptr0, i64 10
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%ptr6 = getelementptr float, float *%ptr0, i64 12
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%ptr7 = getelementptr float, float *%ptr0, i64 14
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%ptr8 = getelementptr float, float *%ptr0, i64 16
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%ptr9 = getelementptr float, float *%ptr0, i64 18
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%ptr10 = getelementptr float, float *%ptr0, i64 20
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%val0 = load float, float *%ptr0
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%val1 = load float, float *%ptr1
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%val2 = load float, float *%ptr2
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%val3 = load float, float *%ptr3
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%val4 = load float, float *%ptr4
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%val5 = load float, float *%ptr5
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%val6 = load float, float *%ptr6
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%val7 = load float, float *%ptr7
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%val8 = load float, float *%ptr8
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%val9 = load float, float *%ptr9
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%val10 = load float, float *%ptr10
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%frob0 = call float @llvm.experimental.constrained.fadd.f32(
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float %val0, float %val0,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob1 = call float @llvm.experimental.constrained.fadd.f32(
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float %val1, float %val1,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob2 = call float @llvm.experimental.constrained.fadd.f32(
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float %val2, float %val2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob3 = call float @llvm.experimental.constrained.fadd.f32(
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float %val3, float %val3,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob4 = call float @llvm.experimental.constrained.fadd.f32(
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float %val4, float %val4,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob5 = call float @llvm.experimental.constrained.fadd.f32(
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float %val5, float %val5,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob6 = call float @llvm.experimental.constrained.fadd.f32(
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float %val6, float %val6,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob7 = call float @llvm.experimental.constrained.fadd.f32(
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float %val7, float %val7,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob8 = call float @llvm.experimental.constrained.fadd.f32(
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float %val8, float %val8,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob9 = call float @llvm.experimental.constrained.fadd.f32(
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float %val9, float %val9,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob10 = call float @llvm.experimental.constrained.fadd.f32(
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float %val10, float %val10,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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store float %frob0, float *%ptr0
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store float %frob1, float *%ptr1
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store float %frob2, float *%ptr2
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store float %frob3, float *%ptr3
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store float %frob4, float *%ptr4
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store float %frob5, float *%ptr5
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store float %frob6, float *%ptr6
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store float %frob7, float *%ptr7
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store float %frob8, float *%ptr8
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store float %frob9, float *%ptr9
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store float %frob10, float *%ptr10
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%ret = call float @foo() #0
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%accext0 = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %ret,
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metadata !"fpexcept.strict") #0
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%ext0 = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %frob0,
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metadata !"fpexcept.strict") #0
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%mul0 = call double @llvm.experimental.constrained.fmul.f64(
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double %accext0, double %ext0,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%extra0 = call double @llvm.experimental.constrained.fmul.f64(
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double %mul0, double 1.01,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%trunc0 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
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double %extra0,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%accext1 = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %trunc0,
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metadata !"fpexcept.strict") #0
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%ext1 = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %frob1,
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metadata !"fpexcept.strict") #0
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%mul1 = call double @llvm.experimental.constrained.fmul.f64(
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double %accext1, double %ext1,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%extra1 = call double @llvm.experimental.constrained.fmul.f64(
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double %mul1, double 1.11,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%trunc1 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
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double %extra1,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%accext2 = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %trunc1,
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metadata !"fpexcept.strict") #0
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%ext2 = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %frob2,
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metadata !"fpexcept.strict") #0
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%mul2 = call double @llvm.experimental.constrained.fmul.f64(
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double %accext2, double %ext2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%extra2 = call double @llvm.experimental.constrained.fmul.f64(
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double %mul2, double 1.21,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%trunc2 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
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double %extra2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%accext3 = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %trunc2,
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metadata !"fpexcept.strict") #0
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%ext3 = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %frob3,
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metadata !"fpexcept.strict") #0
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%mul3 = call double @llvm.experimental.constrained.fmul.f64(
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double %accext3, double %ext3,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%extra3 = call double @llvm.experimental.constrained.fmul.f64(
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double %mul3, double 1.31,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%trunc3 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
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double %extra3,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%accext4 = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %trunc3,
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metadata !"fpexcept.strict") #0
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%ext4 = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %frob4,
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metadata !"fpexcept.strict") #0
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%mul4 = call double @llvm.experimental.constrained.fmul.f64(
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double %accext4, double %ext4,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%extra4 = call double @llvm.experimental.constrained.fmul.f64(
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double %mul4, double 1.41,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%trunc4 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
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double %extra4,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%accext5 = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %trunc4,
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metadata !"fpexcept.strict") #0
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%ext5 = call double @llvm.experimental.constrained.fpext.f64.f32(
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float %frob5,
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metadata !"fpexcept.strict") #0
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%mul5 = call double @llvm.experimental.constrained.fmul.f64(
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double %accext5, double %ext5,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%extra5 = call double @llvm.experimental.constrained.fmul.f64(
|
||
|
|
double %mul5, double 1.51,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%trunc5 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
|
||
|
|
double %extra5,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
|
||
|
|
%accext6 = call double @llvm.experimental.constrained.fpext.f64.f32(
|
||
|
|
float %trunc5,
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%ext6 = call double @llvm.experimental.constrained.fpext.f64.f32(
|
||
|
|
float %frob6,
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%mul6 = call double @llvm.experimental.constrained.fmul.f64(
|
||
|
|
double %accext6, double %ext6,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%extra6 = call double @llvm.experimental.constrained.fmul.f64(
|
||
|
|
double %mul6, double 1.61,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%trunc6 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
|
||
|
|
double %extra6,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
|
||
|
|
%accext7 = call double @llvm.experimental.constrained.fpext.f64.f32(
|
||
|
|
float %trunc6,
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%ext7 = call double @llvm.experimental.constrained.fpext.f64.f32(
|
||
|
|
float %frob7,
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%mul7 = call double @llvm.experimental.constrained.fmul.f64(
|
||
|
|
double %accext7, double %ext7,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%extra7 = call double @llvm.experimental.constrained.fmul.f64(
|
||
|
|
double %mul7, double 1.71,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%trunc7 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
|
||
|
|
double %extra7,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
|
||
|
|
%accext8 = call double @llvm.experimental.constrained.fpext.f64.f32(
|
||
|
|
float %trunc7,
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%ext8 = call double @llvm.experimental.constrained.fpext.f64.f32(
|
||
|
|
float %frob8,
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%mul8 = call double @llvm.experimental.constrained.fmul.f64(
|
||
|
|
double %accext8, double %ext8,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%extra8 = call double @llvm.experimental.constrained.fmul.f64(
|
||
|
|
double %mul8, double 1.81,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%trunc8 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
|
||
|
|
double %extra8,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
|
||
|
|
%accext9 = call double @llvm.experimental.constrained.fpext.f64.f32(
|
||
|
|
float %trunc8,
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%ext9 = call double @llvm.experimental.constrained.fpext.f64.f32(
|
||
|
|
float %frob9,
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%mul9 = call double @llvm.experimental.constrained.fmul.f64(
|
||
|
|
double %accext9, double %ext9,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%extra9 = call double @llvm.experimental.constrained.fmul.f64(
|
||
|
|
double %mul9, double 1.91,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
%trunc9 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
|
||
|
|
double %extra9,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
|
||
|
|
ret float %trunc9
|
||
|
|
}
|
||
|
|
|
||
|
|
attributes #0 = { strictfp }
|