R600/SI: Allow using f32 rcp / rsq when denormals not handled.

[oota-llvm.git] / test / CodeGen / R600 / llvm.AMDGPU.umax.ll

diff --git a/test/CodeGen/R600/llvm.AMDGPU.umax.ll b/test/CodeGen/R600/llvm.AMDGPU.umax.ll
index c3e1cfe9019e697f71cae79784bffc5f40373182..1b8da2e155347e121ca5ef2ed747c562078ec840 100644 (file)
--- a/test/CodeGen/R600/llvm.AMDGPU.umax.ll
+++ b/test/CodeGen/R600/llvm.AMDGPU.umax.ll
@@ -21,6 +21,21 @@ entry:
   ret void
 }
 
+; SI-LABEL: @trunc_zext_umax
+; SI: BUFFER_LOAD_UBYTE [[VREG:v[0-9]+]],
+; SI: V_MAX_U32_e32 [[RESULT:v[0-9]+]], 0, [[VREG]]
+; SI-NOT: AND
+; SI: BUFFER_STORE_SHORT [[RESULT]],
+define void @trunc_zext_umax(i16 addrspace(1)* nocapture %out, i8 addrspace(1)* nocapture %src) nounwind {
+  %tmp5 = load i8 addrspace(1)* %src, align 1
+  %tmp2 = zext i8 %tmp5 to i32
+  %tmp3 = tail call i32 @llvm.AMDGPU.umax(i32 %tmp2, i32 0) nounwind readnone
+  %tmp4 = trunc i32 %tmp3 to i8
+  %tmp6 = zext i8 %tmp4 to i16
+  store i16 %tmp6, i16 addrspace(1)* %out, align 2
+  ret void
+}
+
 ; Function Attrs: readnone
 declare i32 @llvm.AMDGPU.umax(i32, i32) #1