R600: Expand vector FRINT ops

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188598 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/R600/AMDGPUISelLowering.cpp b/lib/Target/R600/AMDGPUISelLowering.cpp
index cab07da288c704bce6b33b339aacd3b60aead9e5..dd8b73f00d53a99040a3775694b15fd095dabf3b 100644 (file)
--- a/lib/Target/R600/AMDGPUISelLowering.cpp
+++ b/lib/Target/R600/AMDGPUISelLowering.cpp
@@ -154,6 +154,7 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
     setOperationAction(ISD::FDIV, VT, Expand);
     setOperationAction(ISD::FFLOOR, VT, Expand);
     setOperationAction(ISD::FMUL, VT, Expand);
+    setOperationAction(ISD::FRINT, VT, Expand);
     setOperationAction(ISD::FSUB, VT, Expand);
   }
 }

diff --git a/test/CodeGen/R600/llvm.rint.ll b/test/CodeGen/R600/llvm.rint.ll
new file mode 100644 (file)
index 0000000..c1bbc23
--- /dev/null
+++ b/test/CodeGen/R600/llvm.rint.ll
@@ -0,0 +1,54 @@
+; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=R600-CHECK
+; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck %s --check-prefix=SI-CHECK
+
+; R600-CHECK: @f32
+; R600-CHECK: RNDNE
+; SI-CHECK: @f32
+; SI-CHECK: V_RNDNE_F32_e32
+define void @f32(float addrspace(1)* %out, float %in) {
+entry:
+  %0 = call float @llvm.rint.f32(float %in)
+  store float %0, float addrspace(1)* %out
+  ret void
+}
+
+; R600-CHECK: @v2f32
+; R600-CHECK: RNDNE
+; R600-CHECK: RNDNE
+; SI-CHECK: @v2f32
+; SI-CHECK: V_RNDNE_F32_e32
+; SI-CHECK: V_RNDNE_F32_e32
+define void @v2f32(<2 x float> addrspace(1)* %out, <2 x float> %in) {
+entry:
+  %0 = call <2 x float> @llvm.rint.v2f32(<2 x float> %in)
+  store <2 x float> %0, <2 x float> addrspace(1)* %out
+  ret void
+}
+
+; R600-CHECK: @v4f32
+; R600-CHECK: RNDNE
+; R600-CHECK: RNDNE
+; R600-CHECK: RNDNE
+; R600-CHECK: RNDNE
+; SI-CHECK: @v4f32
+; SI-CHECK: V_RNDNE_F32_e32
+; SI-CHECK: V_RNDNE_F32_e32
+; SI-CHECK: V_RNDNE_F32_e32
+; SI-CHECK: V_RNDNE_F32_e32
+define void @v4f32(<4 x float> addrspace(1)* %out, <4 x float> %in) {
+entry:
+  %0 = call <4 x float> @llvm.rint.v4f32(<4 x float> %in)
+  store <4 x float> %0, <4 x float> addrspace(1)* %out
+  ret void
+}
+
+; Function Attrs: nounwind readonly
+declare float @llvm.rint.f32(float) #0
+
+; Function Attrs: nounwind readonly
+declare <2 x float> @llvm.rint.v2f32(<2 x float>) #0
+
+; Function Attrs: nounwind readonly
+declare <4 x float> @llvm.rint.v4f32(<4 x float>) #0
+
+attributes #0 = { nounwind readonly }