From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Thu, 27 Aug 2015 17:41:27 +0000 (+0000)
Subject: AMDGPU/SI: Add test for folding constants into operands
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=2b96ce62f49d4701bc9880e27ebc894a371342e2

AMDGPU/SI: Add test for folding constants into operands

Patch by Axel Davy

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246167 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/CodeGen/AMDGPU/si-literal-folding.ll b/test/CodeGen/AMDGPU/si-literal-folding.ll
new file mode 100644
index 00000000000..901b3c3453f
--- /dev/null
+++ b/test/CodeGen/AMDGPU/si-literal-folding.ll
@@ -0,0 +1,17 @@
+; XFAIL: *
+; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck %s
+
+; CHECK-LABEL: {{^}}main:
+; CHECK-NOT: v_mov_b32_e32 v{{[0-9]+}}, 0xbf4353f8
+
+define void @main(float) #0 {
+main_body:
+  %1 = fmul float %0, 0x3FE86A7F00000000
+  %2 = fmul float %0, 0xBFE86A7F00000000
+  call void @llvm.SI.export(i32 15, i32 0, i32 1, i32 12, i32 0, float %1, float %1, float %2, float %2)
+  ret void
+}
+
+declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)
+
+attributes #0 = { "ShaderType"="1" }