1 files changed, 62 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/bug22322.ll b/test/CodeGen/NVPTX/bug22322.ll
new file mode 100644
index 0000000..19ee694
--- /dev/null
+++ b/test/CodeGen/NVPTX/bug22322.ll
@@ -0,0 +1,62 @@
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
+
+target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64"
+target triple = "nvptx64-nvidia-cuda"
+
+%class.float3 = type { float, float, float }
+
+; Function Attrs: nounwind
+; CHECK-LABEL: some_kernel
+define void @some_kernel(%class.float3* nocapture %dst) #0 {
+_ZL11compute_vecRK6float3jb.exit:
+  %ret_vec.sroa.8.i = alloca float, align 4
+  %0 = tail call i32 @llvm.ptx.read.ctaid.x()
+  %1 = tail call i32 @llvm.ptx.read.ntid.x()
+  %2 = mul nsw i32 %1, %0
+  %3 = tail call i32 @llvm.ptx.read.tid.x()
+  %4 = add nsw i32 %2, %3
+  %5 = zext i32 %4 to i64
+  %6 = bitcast float* %ret_vec.sroa.8.i to i8*
+  call void @llvm.lifetime.start(i64 4, i8* %6)
+  %7 = and i32 %4, 15
+  %8 = icmp eq i32 %7, 0
+  %9 = select i1 %8, float 0.000000e+00, float -1.000000e+00
+  store float %9, float* %ret_vec.sroa.8.i, align 4
+; CHECK: setp.lt.f32     %p{{[0-9]+}}, %f{{[0-9]+}}, 0f00000000
+  %10 = fcmp olt float %9, 0.000000e+00
+  %ret_vec.sroa.8.i.val = load float* %ret_vec.sroa.8.i, align 4
+  %11 = select i1 %10, float 0.000000e+00, float %ret_vec.sroa.8.i.val
+  call void @llvm.lifetime.end(i64 4, i8* %6)
+  %12 = getelementptr inbounds %class.float3* %dst, i64 %5, i32 0
+  store float 0.000000e+00, float* %12, align 4
+  %13 = getelementptr inbounds %class.float3* %dst, i64 %5, i32 1
+  store float %11, float* %13, align 4
+  %14 = getelementptr inbounds %class.float3* %dst, i64 %5, i32 2
+  store float 0.000000e+00, float* %14, align 4
+  ret void
+}
+
+; Function Attrs: nounwind readnone
+declare i32 @llvm.ptx.read.ctaid.x() #1
+
+; Function Attrs: nounwind readnone
+declare i32 @llvm.ptx.read.ntid.x() #1
+
+; Function Attrs: nounwind readnone
+declare i32 @llvm.ptx.read.tid.x() #1
+
+; Function Attrs: nounwind
+declare void @llvm.lifetime.start(i64, i8* nocapture) #2
+
+; Function Attrs: nounwind
+declare void @llvm.lifetime.end(i64, i8* nocapture) #2
+
+attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="true" "use-soft-float"="false" }
+attributes #1 = { nounwind readnone }
+attributes #2 = { nounwind }
+
+!nvvm.annotations = !{!0}
+!llvm.ident = !{!1}
+
+!0 = !{void (%class.float3*)* @some_kernel, !"kernel", i32 1}
+!1 = !{!"clang version 3.5.1 (tags/RELEASE_351/final)"}