R600/SI: Fix div_scale intrinsic.

The operand that must match one of the others does matter,
and implement selecting for it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211523 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 36 insertions, 11 deletions

diff --git a/test/CodeGen/R600/llvm.AMDGPU.div_scale.ll b/test/CodeGen/R600/llvm.AMDGPU.div_scale.ll
index 1bcbe2f859..527c8da10a 100644
--- a/test/CodeGen/R600/llvm.AMDGPU.div_scale.ll
+++ b/test/CodeGen/R600/llvm.AMDGPU.div_scale.ll
@@ -1,23 +1,48 @@
-; XFAIL: *
 ; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
 
-declare float @llvm.AMDGPU.div.scale.f32(float, float) nounwind readnone
-declare double @llvm.AMDGPU.div.scale.f64(double, double) nounwind readnone
+declare { float, i1 } @llvm.AMDGPU.div.scale.f32(float, float, i1) nounwind readnone
+declare { double, i1 } @llvm.AMDGPU.div.scale.f64(double, double, i1) nounwind readnone
 
-; SI-LABEL @test_div_scale_f32:
-define void @test_div_scale_f32(float addrspace(1)* %out, float addrspace(1)* %aptr, float addrspace(1)* %bptr) nounwind {
+; SI-LABEL @test_div_scale_f32_1:
+; SI: V_DIV_SCALE_F32
+define void @test_div_scale_f32_1(float addrspace(1)* %out, float addrspace(1)* %aptr, float addrspace(1)* %bptr) nounwind {
   %a = load float addrspace(1)* %aptr, align 4
   %b = load float addrspace(1)* %bptr, align 4
-  %result = call float @llvm.AMDGPU.div.scale.f32(float %a, float %b) nounwind readnone
-  store float %result, float addrspace(1)* %out, align 4
+  %result = call { float, i1 } @llvm.AMDGPU.div.scale.f32(float %a, float %b, i1 false) nounwind readnone
+  %result0 = extractvalue { float, i1 } %result, 0
+  store float %result0, float addrspace(1)* %out, align 4
   ret void
 }
 
-; SI-LABEL @test_div_scale_f64:
-define void @test_div_scale_f64(double addrspace(1)* %out, double addrspace(1)* %aptr, double addrspace(1)* %bptr) nounwind {
+; SI-LABEL @test_div_scale_f32_2:
+; SI: V_DIV_SCALE_F32
+define void @test_div_scale_f32_2(float addrspace(1)* %out, float addrspace(1)* %aptr, float addrspace(1)* %bptr) nounwind {
+  %a = load float addrspace(1)* %aptr, align 4
+  %b = load float addrspace(1)* %bptr, align 4
+  %result = call { float, i1 } @llvm.AMDGPU.div.scale.f32(float %a, float %b, i1 true) nounwind readnone
+  %result0 = extractvalue { float, i1 } %result, 0
+  store float %result0, float addrspace(1)* %out, align 4
+  ret void
+}
+
+; SI-LABEL @test_div_scale_f64_1:
+; SI: V_DIV_SCALE_F64
+define void @test_div_scale_f64_1(double addrspace(1)* %out, double addrspace(1)* %aptr, double addrspace(1)* %bptr, double addrspace(1)* %cptr) nounwind {
+  %a = load double addrspace(1)* %aptr, align 8
+  %b = load double addrspace(1)* %bptr, align 8
+  %result = call { double, i1 } @llvm.AMDGPU.div.scale.f64(double %a, double %b, i1 false) nounwind readnone
+  %result0 = extractvalue { double, i1 } %result, 0
+  store double %result0, double addrspace(1)* %out, align 8
+  ret void
+}
+
+; SI-LABEL @test_div_scale_f64_1:
+; SI: V_DIV_SCALE_F64
+define void @test_div_scale_f64_2(double addrspace(1)* %out, double addrspace(1)* %aptr, double addrspace(1)* %bptr, double addrspace(1)* %cptr) nounwind {
   %a = load double addrspace(1)* %aptr, align 8
   %b = load double addrspace(1)* %bptr, align 8
-  %result = call double @llvm.AMDGPU.div.scale.f64(double %a, double %b) nounwind readnone
-  store double %result, double addrspace(1)* %out, align 8
+  %result = call { double, i1 } @llvm.AMDGPU.div.scale.f64(double %a, double %b, i1 true) nounwind readnone
+  %result0 = extractvalue { double, i1 } %result, 0
+  store double %result0, double addrspace(1)* %out, align 8
   ret void
 }