104 lines
3.3 KiB
LLVM
104 lines
3.3 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
||
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
|
||
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
|
||
|
|
|
||
|
|
;
|
||
|
|
; Test strict 32-bit square root.
|
||
|
|
;
|
||
|
|
|
||
|
|
declare float @llvm.experimental.constrained.sqrt.f32(float, metadata, metadata)
|
||
|
|
|
||
|
|
; Check register square root.
|
||
|
|
define float @f1(float %val) #0 {
|
||
|
|
; CHECK-LABEL: f1:
|
||
|
|
; CHECK: # %bb.0:
|
||
|
|
; CHECK-NEXT: sqebr %f0, %f0
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
%res = call float @llvm.experimental.constrained.sqrt.f32(
|
||
|
|
float %val,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
ret float %res
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the low end of the SQEB range.
|
||
|
|
define float @f2(float *%ptr) #0 {
|
||
|
|
; CHECK-LABEL: f2:
|
||
|
|
; CHECK: # %bb.0:
|
||
|
|
; CHECK-NEXT: sqeb %f0, 0(%r2)
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
%val = load float, float *%ptr
|
||
|
|
%res = call float @llvm.experimental.constrained.sqrt.f32(
|
||
|
|
float %val,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
ret float %res
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the high end of the aligned SQEB range.
|
||
|
|
define float @f3(float *%base) #0 {
|
||
|
|
; CHECK-LABEL: f3:
|
||
|
|
; CHECK: # %bb.0:
|
||
|
|
; CHECK-NEXT: sqeb %f0, 4092(%r2)
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
%ptr = getelementptr float, float *%base, i64 1023
|
||
|
|
%val = load float, float *%ptr
|
||
|
|
%res = call float @llvm.experimental.constrained.sqrt.f32(
|
||
|
|
float %val,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
ret float %res
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check the next word up, which needs separate address logic.
|
||
|
|
; Other sequences besides this one would be OK.
|
||
|
|
define float @f4(float *%base) #0 {
|
||
|
|
; CHECK-LABEL: f4:
|
||
|
|
; CHECK: # %bb.0:
|
||
|
|
; CHECK-NEXT: aghi %r2, 4096
|
||
|
|
; CHECK-NEXT: sqeb %f0, 0(%r2)
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
%ptr = getelementptr float, float *%base, i64 1024
|
||
|
|
%val = load float, float *%ptr
|
||
|
|
%res = call float @llvm.experimental.constrained.sqrt.f32(
|
||
|
|
float %val,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
ret float %res
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check negative displacements, which also need separate address logic.
|
||
|
|
define float @f5(float *%base) #0 {
|
||
|
|
; CHECK-LABEL: f5:
|
||
|
|
; CHECK: # %bb.0:
|
||
|
|
; CHECK-NEXT: aghi %r2, -4
|
||
|
|
; CHECK-NEXT: sqeb %f0, 0(%r2)
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
%ptr = getelementptr float, float *%base, i64 -1
|
||
|
|
%val = load float, float *%ptr
|
||
|
|
%res = call float @llvm.experimental.constrained.sqrt.f32(
|
||
|
|
float %val,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
ret float %res
|
||
|
|
}
|
||
|
|
|
||
|
|
; Check that SQEB allows indices.
|
||
|
|
define float @f6(float *%base, i64 %index) #0 {
|
||
|
|
; CHECK-LABEL: f6:
|
||
|
|
; CHECK: # %bb.0:
|
||
|
|
; CHECK-NEXT: sllg %r1, %r3, 2
|
||
|
|
; CHECK-NEXT: sqeb %f0, 400(%r1,%r2)
|
||
|
|
; CHECK-NEXT: br %r14
|
||
|
|
%ptr1 = getelementptr float, float *%base, i64 %index
|
||
|
|
%ptr2 = getelementptr float, float *%ptr1, i64 100
|
||
|
|
%val = load float, float *%ptr2
|
||
|
|
%res = call float @llvm.experimental.constrained.sqrt.f32(
|
||
|
|
float %val,
|
||
|
|
metadata !"round.dynamic",
|
||
|
|
metadata !"fpexcept.strict") #0
|
||
|
|
ret float %res
|
||
|
|
}
|
||
|
|
|
||
|
|
attributes #0 = { strictfp }
|