R600/SI: Add intrinsic for ldexp

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215734 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 22 insertions, 0 deletions

diff --git a/test/CodeGen/R600/llvm.AMDGPU.ldexp.ll b/test/CodeGen/R600/llvm.AMDGPU.ldexp.ll
new file mode 100644
index 00000000000..d59426c6754
--- /dev/null
+++ b/test/CodeGen/R600/llvm.AMDGPU.ldexp.ll
@@ -0,0 +1,22 @@
+; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
+
+declare float @llvm.AMDGPU.ldexp.f32(float, i32) nounwind readnone
+declare double @llvm.AMDGPU.ldexp.f64(double, i32) nounwind readnone
+
+; SI-LABEL: @test_ldexp_f32:
+; SI: V_LDEXP_F32
+; SI: S_ENDPGM
+define void @test_ldexp_f32(float addrspace(1)* %out, float %a, i32 %b) nounwind {
+  %result = call float @llvm.AMDGPU.ldexp.f32(float %a, i32 %b) nounwind readnone
+  store float %result, float addrspace(1)* %out, align 4
+  ret void
+}
+
+; SI-LABEL: @test_ldexp_f64:
+; SI: V_LDEXP_F64
+; SI: S_ENDPGM
+define void @test_ldexp_f64(double addrspace(1)* %out, double %a, i32 %b) nounwind {
+  %result = call double @llvm.AMDGPU.ldexp.f64(double %a, i32 %b) nounwind readnone
+  store double %result, double addrspace(1)* %out, align 8
+  ret void
+}