R600: Fix input modifiers lost for Cayman
llvm-svn: 196922
diff --git a/llvm/test/CodeGen/R600/llvm.exp2.ll b/llvm/test/CodeGen/R600/llvm.exp2.ll
new file mode 100644
index 0000000..13bfbab
--- /dev/null
+++ b/llvm/test/CodeGen/R600/llvm.exp2.ll
@@ -0,0 +1,26 @@
+;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=EG-CHECK
+;RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck %s --check-prefix=CM-CHECK
+
+;EG-CHECK-LABEL: @test
+;EG-CHECK: EXP_IEEE *
+;CM-CHECK-LABEL: @test
+;CM-CHECK: EXP_IEEE T{{[0-9]+}}.X, -|T{{[0-9]+}}.X|
+;CM-CHECK: EXP_IEEE T{{[0-9]+}}.Y (MASKED), -|T{{[0-9]+}}.X|
+;CM-CHECK: EXP_IEEE T{{[0-9]+}}.Z (MASKED), -|T{{[0-9]+}}.X|
+;CM-CHECK: EXP_IEEE * T{{[0-9]+}}.W (MASKED), -|T{{[0-9]+}}.X|
+
+define void @test(<4 x float> inreg %reg0) #0 {
+ %r0 = extractelement <4 x float> %reg0, i32 0
+ %r1 = call float @llvm.fabs.f32(float %r0)
+ %r2 = fsub float -0.000000e+00, %r1
+ %r3 = call float @llvm.exp2.f32(float %r2)
+ %vec = insertelement <4 x float> undef, float %r3, i32 0
+ call void @llvm.R600.store.swizzle(<4 x float> %vec, i32 0, i32 0)
+ ret void
+}
+
+declare float @llvm.exp2.f32(float) readnone
+declare float @llvm.fabs.f32(float) readnone
+declare void @llvm.R600.store.swizzle(<4 x float>, i32, i32)
+
+attributes #0 = { "ShaderType"="0" }