[FastISel][X86] Add support for the sqrt intrinsic.
llvm-svn: 210720
diff --git a/llvm/test/CodeGen/X86/sqrt.ll b/llvm/test/CodeGen/X86/sqrt.ll
new file mode 100644
index 0000000..be7c6e8
--- /dev/null
+++ b/llvm/test/CodeGen/X86/sqrt.ll
@@ -0,0 +1,26 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=-avx,+sse2 | FileCheck %s --check-prefix=SSE2
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=-avx,+sse2 -fast-isel -fast-isel-abort | FileCheck %s --check-prefix=SSE2
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=-avx2,+avx | FileCheck %s --check-prefix=AVX
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=-avx2,+avx -fast-isel -fast-isel-abort | FileCheck %s --check-prefix=AVX
+
+define float @test_sqrt_f32(float %a) {
+; SSE2-LABEL: test_sqrt_f32
+; SSE2: sqrtss %xmm0, %xmm0
+; AVX-LABEL: test_sqrt_f32
+; AVX: vsqrtss %xmm0, %xmm0
+ %res = call float @llvm.sqrt.f32(float %a)
+ ret float %res
+}
+declare float @llvm.sqrt.f32(float) nounwind readnone
+
+define double @test_sqrt_f64(double %a) {
+; SSE2-LABEL: test_sqrt_f64
+; SSE2: sqrtsd %xmm0, %xmm0
+; AVX-LABEL: test_sqrt_f64
+; AVX: vsqrtsd %xmm0, %xmm0
+ %res = call double @llvm.sqrt.f64(double %a)
+ ret double %res
+}
+declare double @llvm.sqrt.f64(double) nounwind readnone
+
+