Stackmap shadows should consider call returns a branch target.

[oota-llvm.git] / test / CodeGen / X86 / fabs.ll

diff --git a/test/CodeGen/X86/fabs.ll b/test/CodeGen/X86/fabs.ll
index b304cd4c3fdaaf4fb8449f9bd17dc9cfb008aca1..e330ee79430e058e34131b3de79698a1cf828019 100644 (file)
--- a/test/CodeGen/X86/fabs.ll
+++ b/test/CodeGen/X86/fabs.ll
@@ -1,17 +1,54 @@
 ; Make sure this testcase codegens to the fabs instruction, not a call to fabsf
-; RUN: llvm-as < %s | llc -march=x86 | grep 'fabs$' | wc -l | grep 2
+; RUN: llc < %s -mtriple=i686-apple-macosx -mattr=-sse2,-sse3,-sse | FileCheck %s
+; RUN: llc < %s -mtriple=i686-apple-macosx -mattr=-sse,-sse2,-sse3 -enable-unsafe-fp-math -enable-no-nans-fp-math | FileCheck %s --check-prefix=UNSAFE
+; RUN: llc < %s -mtriple=x86_64-apple-macosx -O0 | FileCheck %s --check-prefix=NOOPT
 
-declare float %fabsf(float)
+declare float @fabsf(float)
 
-float %fabsftest(float %X) {
-        %Y = call float %fabsf(float %X)
+declare x86_fp80 @fabsl(x86_fp80)
+
+; CHECK-LABEL:  test1:
+; UNSAFE-LABEL: test1:
+; NOOPT-LABEL:  test1:
+define float @test1(float %X) {
+        %Y = call float @fabsf(float %X) readnone
         ret float %Y
 }
+; CHECK:  {{^[ \t]+fabs$}}
+; UNSAFE: {{^[ \t]+fabs$}}
+
+; CHECK-NOT:  fabs
+; UNSAFE-NOT: fabs
+; NOOPT-NOT:  fabsf
 
-double %fabstest2(double %X) {
-        %Y = setge double %X, -0.0
-        %Z = sub double -0.0, %X
-        %Q = select bool %Y, double %X, double %Z
+; CHECK-LABEL:  test2:
+; UNSAFE-LABEL: test2:
+; NOOPT-LABEL:  test2:
+define double @test2(double %X) {
+        %Y = fcmp oge double %X, -0.0
+        %Z = fsub double -0.0, %X
+        %Q = select i1 %Y, double %X, double %Z
         ret double %Q
 }
+; fabs is not used here.
+; CHECK-NOT:  fabs
+; NOOPT-NOT:  fabs
+
+; UNSAFE: {{^[ \t]+fabs$}}
+
+; UNSAFE-NOT: fabs
+
+; CHECK-LABEL:  test3:
+; UNSAFE-LABEL: test3:
+; NOOPT-LABEL:  test3:
+define x86_fp80 @test3(x86_fp80 %X) {
+        %Y = call x86_fp80 @fabsl(x86_fp80 %X) readnone
+        ret x86_fp80 %Y
+}
+; CHECK:  {{^[ \t]+fabs$}}
+; UNSAFE: {{^[ \t]+fabs$}}
+; NOOPT:  {{^[ \t]+fabs$}}
 
+; CHECK-NOT:  fabs
+; UNSAFE-NOT: fabs
+; NOOPT-NOT:  fabs