vendor/llvm/llvm-r72732

1 files changed, 29 insertions, 0 deletions

diff --git a/test/CodeGen/X86/fabs.ll b/test/CodeGen/X86/fabs.ll
new file mode 100644
index 000000000000..0646a7963ad3
--- /dev/null
+++ b/test/CodeGen/X86/fabs.ll
@@ -0,0 +1,29 @@
+; 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
+
+declare float @fabsf(float)
+
+declare x86_fp80 @fabsl(x86_fp80)
+
+define float @test1(float %X) {
+        %Y = call float @fabsf(float %X)
+        ret float %Y
+}
+
+define double @test2(double %X) {
+        %Y = fcmp oge double %X, -0.0
+        %Z = sub double -0.0, %X
+        %Q = select i1 %Y, double %X, double %Z
+        ret double %Q
+}
+
+define x86_fp80 @test3(x86_fp80 %X) {
+        %Y = call x86_fp80 @fabsl(x86_fp80 %X)
+        ret x86_fp80 %Y
+}
+
+