diff test/CodeGen/R600/llvm.AMDGPU.div_fixup.ll @ 77:54457678186b LLVM3.6

LLVM 3.6
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 08 Sep 2014 22:06:00 +0900
parents
children 60c9769439b8
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/R600/llvm.AMDGPU.div_fixup.ll	Mon Sep 08 22:06:00 2014 +0900
@@ -0,0 +1,27 @@
+; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
+
+declare float @llvm.AMDGPU.div.fixup.f32(float, float, float) nounwind readnone
+declare double @llvm.AMDGPU.div.fixup.f64(double, double, double) nounwind readnone
+
+; SI-LABEL: @test_div_fixup_f32:
+; SI-DAG: S_LOAD_DWORD [[SA:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xb
+; SI-DAG: S_LOAD_DWORD [[SC:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xd
+; SI-DAG: V_MOV_B32_e32 [[VC:v[0-9]+]], [[SC]]
+; SI-DAG: S_LOAD_DWORD [[SB:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xc
+; SI: V_MOV_B32_e32 [[VB:v[0-9]+]], [[SB]]
+; SI: V_DIV_FIXUP_F32 [[RESULT:v[0-9]+]], [[SA]], [[VB]], [[VC]]
+; SI: BUFFER_STORE_DWORD [[RESULT]],
+; SI: S_ENDPGM
+define void @test_div_fixup_f32(float addrspace(1)* %out, float %a, float %b, float %c) nounwind {
+  %result = call float @llvm.AMDGPU.div.fixup.f32(float %a, float %b, float %c) nounwind readnone
+  store float %result, float addrspace(1)* %out, align 4
+  ret void
+}
+
+; SI-LABEL: @test_div_fixup_f64:
+; SI: V_DIV_FIXUP_F64
+define void @test_div_fixup_f64(double addrspace(1)* %out, double %a, double %b, double %c) nounwind {
+  %result = call double @llvm.AMDGPU.div.fixup.f64(double %a, double %b, double %c) nounwind readnone
+  store double %result, double addrspace(1)* %out, align 8
+  ret void
+}