; Make sure this testcase codegens to the fabs instruction, not a call to fabsf
-; RUN: llvm-as < %s | llc -march=x86 -mattr=-sse2,-sse3,-sse | grep fabs\$ | \
-; RUN: count 2
-; RUN: llvm-as < %s | \
-; RUN: llc -march=x86 -mattr=-sse,-sse2,-sse3 -enable-unsafe-fp-math | \
-; RUN: grep fabs\$ | count 3
+; 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 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)
+ %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
+
+; 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$}}
+; UNSAFE-NOT: fabs
+
+; CHECK-LABEL: test3:
+; UNSAFE-LABEL: test3:
+; NOOPT-LABEL: test3:
define x86_fp80 @test3(x86_fp80 %X) {
- %Y = call x86_fp80 @fabsl(x86_fp80 %X)
+ %Y = call x86_fp80 @fabsl(x86_fp80 %X) readnone
ret x86_fp80 %Y
}
+; CHECK: {{^[ \t]+fabs$}}
+; UNSAFE: {{^[ \t]+fabs$}}
+; NOOPT: {{^[ \t]+fabs$}}
-
+; CHECK-NOT: fabs
+; UNSAFE-NOT: fabs
+; NOOPT-NOT: fabs