1 files changed, 54 insertions, 0 deletions
diff --git a/test/CodeGen/R600/schedule-fs-loop.ll b/test/CodeGen/R600/schedule-fs-loop.ll
new file mode 100644
index 0000000000..68c029360e
--- /dev/null
+++ b/test/CodeGen/R600/schedule-fs-loop.ll
@@ -0,0 +1,54 @@
+;RUN: llc < %s -march=r600 -mcpu=cayman -stress-sched -verify-misched
+
+define void @main() {
+main_body:
+  %0 = load <4 x float> addrspace(9)* null
+  %1 = extractelement <4 x float> %0, i32 3
+  %2 = fptosi float %1 to i32
+  %3 = bitcast i32 %2 to float
+  %4 = load <4 x float> addrspace(9)* null
+  %5 = extractelement <4 x float> %4, i32 0
+  %6 = load <4 x float> addrspace(9)* null
+  %7 = extractelement <4 x float> %6, i32 1
+  %8 = load <4 x float> addrspace(9)* null
+  %9 = extractelement <4 x float> %8, i32 2
+  br label %LOOP
+
+LOOP:                                             ; preds = %ENDIF, %main_body
+  %temp4.0 = phi float [ %5, %main_body ], [ %temp5.0, %ENDIF ]
+  %temp5.0 = phi float [ %7, %main_body ], [ %temp6.0, %ENDIF ]
+  %temp6.0 = phi float [ %9, %main_body ], [ %temp4.0, %ENDIF ]
+  %temp8.0 = phi float [ 0.000000e+00, %main_body ], [ %27, %ENDIF ]
+  %10 = bitcast float %temp8.0 to i32
+  %11 = bitcast float %3 to i32
+  %12 = icmp sge i32 %10, %11
+  %13 = sext i1 %12 to i32
+  %14 = bitcast i32 %13 to float
+  %15 = bitcast float %14 to i32
+  %16 = icmp ne i32 %15, 0
+  br i1 %16, label %IF, label %ENDIF
+
+IF:                                               ; preds = %LOOP
+  %17 = call float @llvm.AMDIL.clamp.(float %temp4.0, float 0.000000e+00, float 1.000000e+00)
+  %18 = call float @llvm.AMDIL.clamp.(float %temp5.0, float 0.000000e+00, float 1.000000e+00)
+  %19 = call float @llvm.AMDIL.clamp.(float %temp6.0, float 0.000000e+00, float 1.000000e+00)
+  %20 = call float @llvm.AMDIL.clamp.(float 1.000000e+00, float 0.000000e+00, float 1.000000e+00)
+  %21 = insertelement <4 x float> undef, float %17, i32 0
+  %22 = insertelement <4 x float> %21, float %18, i32 1
+  %23 = insertelement <4 x float> %22, float %19, i32 2
+  %24 = insertelement <4 x float> %23, float %20, i32 3
+  call void @llvm.R600.store.swizzle(<4 x float> %24, i32 0, i32 0)
+  ret void
+
+ENDIF:                                            ; preds = %LOOP
+  %25 = bitcast float %temp8.0 to i32
+  %26 = add i32 %25, 1
+  %27 = bitcast i32 %26 to float
+  br label %LOOP
+}
+
+declare float @llvm.AMDIL.clamp.(float, float, float) #0
+
+declare void @llvm.R600.store.swizzle(<4 x float>, i32, i32)
+
+attributes #0 = { readnone }