diff options
Diffstat (limited to 'test/CodeGen/AArch64/arm64-sincos.ll')
-rw-r--r-- | test/CodeGen/AArch64/arm64-sincos.ll | 50 |
1 files changed, 41 insertions, 9 deletions
diff --git a/test/CodeGen/AArch64/arm64-sincos.ll b/test/CodeGen/AArch64/arm64-sincos.ll index 06157b2580c47..98876dbe87b03 100644 --- a/test/CodeGen/AArch64/arm64-sincos.ll +++ b/test/CodeGen/AArch64/arm64-sincos.ll @@ -1,7 +1,9 @@ ; RUN: llc < %s -mtriple=arm64-apple-ios7 | FileCheck %s --check-prefix CHECK-IOS ; RUN: llc < %s -mtriple=arm64-linux-gnu | FileCheck %s --check-prefix CHECK-LINUX -; Combine sin / cos into a single call. +; Combine sin / cos into a single call unless they may write errno (as +; captured by readnone attrbiute, controlled by clang -fmath-errno +; setting). ; rdar://12856873 define float @test1(float %x) nounwind { @@ -11,11 +13,26 @@ entry: ; CHECK-IOS: fadd s0, s0, s1 ; CHECK-LINUX-LABEL: test1: +; CHECK-LINUX: bl sincosf + + %call = tail call float @sinf(float %x) readnone + %call1 = tail call float @cosf(float %x) readnone + %add = fadd float %call, %call1 + ret float %add +} + +define float @test1_errno(float %x) nounwind { +entry: +; CHECK-IOS-LABEL: test1_errno: +; CHECK-IOS: bl _sinf +; CHECK-IOS: bl _cosf + +; CHECK-LINUX-LABEL: test1_errno: ; CHECK-LINUX: bl sinf ; CHECK-LINUX: bl cosf - %call = tail call float @sinf(float %x) nounwind readnone - %call1 = tail call float @cosf(float %x) nounwind readnone + %call = tail call float @sinf(float %x) + %call1 = tail call float @cosf(float %x) %add = fadd float %call, %call1 ret float %add } @@ -27,16 +44,31 @@ entry: ; CHECK-IOS: fadd d0, d0, d1 ; CHECK-LINUX-LABEL: test2: +; CHECK-LINUX: bl sincos + + %call = tail call double @sin(double %x) readnone + %call1 = tail call double @cos(double %x) readnone + %add = fadd double %call, %call1 + ret double %add +} + +define double @test2_errno(double %x) nounwind { +entry: +; CHECK-IOS-LABEL: test2_errno: +; CHECK-IOS: bl _sin +; CHECK-IOS: bl _cos + +; CHECK-LINUX-LABEL: test2_errno: ; CHECK-LINUX: bl sin ; CHECK-LINUX: bl cos - %call = tail call double @sin(double %x) nounwind readnone - %call1 = tail call double @cos(double %x) nounwind readnone + %call = tail call double @sin(double %x) + %call1 = tail call double @cos(double %x) %add = fadd double %call, %call1 ret double %add } -declare float @sinf(float) readonly -declare double @sin(double) readonly -declare float @cosf(float) readonly -declare double @cos(double) readonly +declare float @sinf(float) +declare double @sin(double) +declare float @cosf(float) +declare double @cos(double) |