summaryrefslogtreecommitdiff
path: root/test/CodeGen/AArch64/arm64-sincos.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/AArch64/arm64-sincos.ll')
-rw-r--r--test/CodeGen/AArch64/arm64-sincos.ll50
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)