300 lines
9.4 KiB
LLVM
300 lines
9.4 KiB
LLVM
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; RUN: llc < %s -mtriple=arm64-apple-ios -aarch64-neon-syntax=apple -no-integrated-as -disable-post-ra | FileCheck %s
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; rdar://9167275
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define i32 @t1() nounwind ssp {
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entry:
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; CHECK-LABEL: t1:
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; CHECK: mov {{w[0-9]+}}, 7
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%0 = tail call i32 asm "mov ${0:w}, 7", "=r"() nounwind
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ret i32 %0
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}
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define i64 @t2() nounwind ssp {
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entry:
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; CHECK-LABEL: t2:
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; CHECK: mov {{x[0-9]+}}, 7
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%0 = tail call i64 asm "mov $0, 7", "=r"() nounwind
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ret i64 %0
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}
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define i64 @t3() nounwind ssp {
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entry:
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; CHECK-LABEL: t3:
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; CHECK: mov {{w[0-9]+}}, 7
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%0 = tail call i64 asm "mov ${0:w}, 7", "=r"() nounwind
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ret i64 %0
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}
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; rdar://9281206
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define void @t4(i64 %op) nounwind {
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entry:
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; CHECK-LABEL: t4:
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; CHECK: mov x0, {{x[0-9]+}}; svc #0
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%0 = tail call i64 asm sideeffect "mov x0, $1; svc #0;", "=r,r,r,~{x0}"(i64 %op, i64 undef) nounwind
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ret void
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}
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; rdar://9394290
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define float @t5(float %x) nounwind {
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entry:
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; CHECK-LABEL: t5:
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; CHECK: fadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
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%0 = tail call float asm "fadd ${0:s}, ${0:s}, ${0:s}", "=w,0"(float %x) nounwind
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ret float %0
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}
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; rdar://9553599
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define zeroext i8 @t6(i8* %src) nounwind {
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entry:
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; CHECK-LABEL: t6:
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; CHECK: ldtrb {{w[0-9]+}}, [{{x[0-9]+}}]
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%0 = tail call i8 asm "ldtrb ${0:w}, [$1]", "=r,r"(i8* %src) nounwind
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ret i8 %0
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}
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define void @t7(i8* %f, i32 %g) nounwind {
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entry:
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%f.addr = alloca i8*, align 8
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store i8* %f, i8** %f.addr, align 8
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; CHECK-LABEL: t7:
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; CHECK: str {{w[0-9]+}}, [{{x[0-9]+}}]
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call void asm "str ${1:w}, $0", "=*Q,r"(i8** %f.addr, i32 %g) nounwind
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ret void
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}
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; rdar://10258229
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; ARM64TargetLowering::getRegForInlineAsmConstraint() should recognize 'v'
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; registers.
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define void @t8() nounwind ssp {
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entry:
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; CHECK-LABEL: t8:
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; CHECK: stp {{d[0-9]+}}, {{d[0-9]+}}, [sp, #-16]
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tail call void asm sideeffect "nop", "~{v8}"() nounwind
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ret void
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}
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define i32 @constraint_I(i32 %i, i32 %j) nounwind {
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entry:
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; CHECK-LABEL: constraint_I:
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%0 = tail call i32 asm sideeffect "add ${0:w}, ${1:w}, $2", "=r,r,I"(i32 %i, i32 16773120) nounwind
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; CHECK: add {{w[0-9]+}}, {{w[0-9]+}}, 16773120
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%1 = tail call i32 asm sideeffect "add ${0:w}, ${1:w}, $2", "=r,r,I"(i32 %i, i32 4096) nounwind
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; CHECK: add {{w[0-9]+}}, {{w[0-9]+}}, 4096
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ret i32 %1
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}
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define i32 @constraint_J(i32 %i, i32 %j, i64 %k) nounwind {
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entry:
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; CHECK-LABEL: constraint_J:
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%0 = tail call i32 asm sideeffect "sub ${0:w}, ${1:w}, $2", "=r,r,J"(i32 %i, i32 -16773120) nounwind
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; CHECK: sub {{w[0-9]+}}, {{w[0-9]+}}, -16773120
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%1 = tail call i32 asm sideeffect "sub ${0:w}, ${1:w}, $2", "=r,r,J"(i32 %i, i32 -1) nounwind
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; CHECK: sub {{w[0-9]+}}, {{w[0-9]+}}, -1
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%2 = tail call i64 asm sideeffect "sub ${0:x}, ${1:x}, $2", "=r,r,J"(i64 %k, i32 -1) nounwind
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; CHECK: sub {{x[0-9]+}}, {{x[0-9]+}}, -1
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%3 = tail call i64 asm sideeffect "sub ${0:x}, ${1:x}, $2", "=r,r,J"(i64 %k, i64 -1) nounwind
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; CHECK: sub {{x[0-9]+}}, {{x[0-9]+}}, -1
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ret i32 %1
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}
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define i32 @constraint_KL(i32 %i, i32 %j) nounwind {
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entry:
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; CHECK-LABEL: constraint_KL:
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%0 = tail call i32 asm sideeffect "eor ${0:w}, ${1:w}, $2", "=r,r,K"(i32 %i, i32 255) nounwind
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; CHECK: eor {{w[0-9]+}}, {{w[0-9]+}}, 255
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%1 = tail call i32 asm sideeffect "eor ${0:w}, ${1:w}, $2", "=r,r,L"(i32 %i, i64 16711680) nounwind
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; CHECK: eor {{w[0-9]+}}, {{w[0-9]+}}, 16711680
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ret i32 %1
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}
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define i32 @constraint_MN(i32 %i, i32 %j) nounwind {
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entry:
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; CHECK-LABEL: constraint_MN:
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%0 = tail call i32 asm sideeffect "movk ${0:w}, $1", "=r,M"(i32 65535) nounwind
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; CHECK: movk {{w[0-9]+}}, 65535
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%1 = tail call i32 asm sideeffect "movz ${0:w}, $1", "=r,N"(i64 0) nounwind
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; CHECK: movz {{w[0-9]+}}, 0
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ret i32 %1
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}
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define void @t9() nounwind {
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entry:
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; CHECK-LABEL: t9:
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%data = alloca <2 x double>, align 16
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%0 = load <2 x double>, <2 x double>* %data, align 16
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call void asm sideeffect "mov.2d v4, $0\0A", "w,~{v4}"(<2 x double> %0) nounwind
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; CHECK: mov.2d v4, {{v[0-9]+}}
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ret void
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}
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define void @t10() nounwind {
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entry:
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; CHECK-LABEL: t10:
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%data = alloca <2 x float>, align 8
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%a = alloca [2 x float], align 4
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%arraydecay = getelementptr inbounds [2 x float], [2 x float]* %a, i32 0, i32 0
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%0 = load <2 x float>, <2 x float>* %data, align 8
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call void asm sideeffect "ldr ${1:z}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
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; CHECK: ldr {{z[0-9]+}}, [{{x[0-9]+}}]
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call void asm sideeffect "ldr ${1:q}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
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; CHECK: ldr {{q[0-9]+}}, [{{x[0-9]+}}]
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call void asm sideeffect "ldr ${1:d}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
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; CHECK: ldr {{d[0-9]+}}, [{{x[0-9]+}}]
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call void asm sideeffect "ldr ${1:s}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
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; CHECK: ldr {{s[0-9]+}}, [{{x[0-9]+}}]
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call void asm sideeffect "ldr ${1:h}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
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; CHECK: ldr {{h[0-9]+}}, [{{x[0-9]+}}]
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call void asm sideeffect "ldr ${1:b}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
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; CHECK: ldr {{b[0-9]+}}, [{{x[0-9]+}}]
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ret void
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}
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define void @t11() nounwind {
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entry:
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; CHECK-LABEL: t11:
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%a = alloca i32, align 4
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%0 = load i32, i32* %a, align 4
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call void asm sideeffect "mov ${1:x}, ${0:x}\0A", "r,i"(i32 %0, i32 0) nounwind
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; CHECK: mov xzr, {{x[0-9]+}}
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%1 = load i32, i32* %a, align 4
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call void asm sideeffect "mov ${1:w}, ${0:w}\0A", "r,i"(i32 %1, i32 0) nounwind
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; CHECK: mov wzr, {{w[0-9]+}}
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ret void
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}
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define void @t12() nounwind {
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entry:
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; CHECK-LABEL: t12:
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%data = alloca <4 x float>, align 16
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%0 = load <4 x float>, <4 x float>* %data, align 16
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call void asm sideeffect "mov.2d v4, $0\0A", "x,~{v4}"(<4 x float> %0) nounwind
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; CHECK: mov.2d v4, {{v([0-9])|(1[0-5])}}
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ret void
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}
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define void @t13() nounwind {
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entry:
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; CHECK-LABEL: t13:
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tail call void asm sideeffect "mov x4, $0\0A", "N"(i64 1311673391471656960) nounwind
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; CHECK: mov x4, 1311673391471656960
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tail call void asm sideeffect "mov x4, $0\0A", "N"(i64 -4662) nounwind
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; CHECK: mov x4, -4662
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tail call void asm sideeffect "mov x4, $0\0A", "N"(i64 4660) nounwind
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; CHECK: mov x4, 4660
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call void asm sideeffect "mov x4, $0\0A", "N"(i64 -71777214294589696) nounwind
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; CHECK: mov x4, -71777214294589696
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ret void
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}
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define void @t14() nounwind {
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entry:
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; CHECK-LABEL: t14:
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tail call void asm sideeffect "mov w4, $0\0A", "M"(i32 305397760) nounwind
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; CHECK: mov w4, 305397760
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tail call void asm sideeffect "mov w4, $0\0A", "M"(i32 -4662) nounwind
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; CHECK: mov w4, 4294962634
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tail call void asm sideeffect "mov w4, $0\0A", "M"(i32 4660) nounwind
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; CHECK: mov w4, 4660
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call void asm sideeffect "mov w4, $0\0A", "M"(i32 -16711936) nounwind
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; CHECK: mov w4, 4278255360
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ret void
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}
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define void @t15() nounwind {
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entry:
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%0 = tail call double asm sideeffect "fmov $0, d8", "=r"() nounwind
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; CHECK: fmov {{x[0-9]+}}, d8
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ret void
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}
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; rdar://problem/14285178
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define void @test_zero_reg(i32* %addr) {
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; CHECK-LABEL: test_zero_reg:
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tail call void asm sideeffect "USE($0)", "z"(i32 0) nounwind
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; CHECK: USE(xzr)
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tail call void asm sideeffect "USE(${0:w})", "zr"(i32 0)
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; CHECK: USE(wzr)
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tail call void asm sideeffect "USE(${0:w})", "zr"(i32 1)
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; CHECK: mov [[VAL1:w[0-9]+]], #1
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; CHECK: USE([[VAL1]])
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tail call void asm sideeffect "USE($0), USE($1)", "z,z"(i32 0, i32 0) nounwind
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; CHECK: USE(xzr), USE(xzr)
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tail call void asm sideeffect "USE($0), USE(${1:w})", "z,z"(i32 0, i32 0) nounwind
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; CHECK: USE(xzr), USE(wzr)
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ret void
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}
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define <2 x float> @test_vreg_64bit(<2 x float> %in) nounwind {
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; CHECK-LABEL: test_vreg_64bit:
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%1 = tail call <2 x float> asm sideeffect "fadd ${0}.2s, ${1}.2s, ${1}.2s", "={v14},w"(<2 x float> %in) nounwind
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; CHECK: fadd v14.2s, v0.2s, v0.2s
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ret <2 x float> %1
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}
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define <4 x float> @test_vreg_128bit(<4 x float> %in) nounwind {
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; CHECK-LABEL: test_vreg_128bit:
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%1 = tail call <4 x float> asm sideeffect "fadd ${0}.4s, ${1}.4s, ${1}.4s", "={v14},w"(<4 x float> %in) nounwind
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; CHECK: fadd v14.4s, v0.4s, v0.4s
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ret <4 x float> %1
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}
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define void @test_constraint_w(i32 %a) {
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; CHECK: fmov [[SREG:s[0-9]+]], {{w[0-9]+}}
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; CHECK: sqxtn h0, [[SREG]]
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tail call void asm sideeffect "sqxtn h0, ${0:s}\0A", "w"(i32 %a)
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ret void
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}
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define void @test_inline_modifier_a(i8* %ptr) nounwind {
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; CHECK-LABEL: test_inline_modifier_a:
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tail call void asm sideeffect "prfm pldl1keep, ${0:a}\0A", "r"(i8* %ptr)
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; CHECK: prfm pldl1keep, [x0]
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ret void
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}
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; PR33134
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define void @test_zero_address() {
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entry:
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; CHECK-LABEL: test_zero_address
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; CHECK: mov {{x[0-9]+}}, xzr
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; CHECK: ldr {{x[0-9]+}}, {{[x[0-9]+]}}
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tail call i32 asm sideeffect "ldr $0, $1 \0A", "=r,*Q"(i32* null)
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ret void
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}
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; No '#' in lane specifier
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define void @test_no_hash_in_lane_specifier() {
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; CHECK-LABEL: test_no_hash_in_lane_specifier
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; CHECK: fmla v2.4s, v0.4s, v1.s[1]
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; CHECK: ret
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tail call void asm sideeffect "fmla v2.4s, v0.4s, v1.s[$0]", "I"(i32 1) #1
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ret void
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}
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define void @test_vector_too_large_r_m(<9 x float>* nocapture readonly %0) {
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; CHECK-LABEL: test_vector_too_large_r_m
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; CHECK: ldr [[S:s[0-9]+]], [x0, #32]
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; CHECK-DAG: ldp [[Q0:q[0-9]+]], [[Q1:q[0-9]+]], [x0]
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; CHECK: str [[S]], [sp, #32]
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; CHECK-DAG stp [[Q0]], [[Q1]], [sp]
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; CHECK: ; InlineAsm Start
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;
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entry:
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%m.addr = alloca <9 x float>, align 16
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%m = load <9 x float>, <9 x float>* %0, align 16
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store <9 x float> %m, <9 x float>* %m.addr, align 16
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call void asm sideeffect "", "=*r|m,0,~{memory}"(<9 x float>* nonnull %m.addr, <9 x float> %m)
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ret void
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}
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