Codegen: [PPC] Handle weighted comparisons when inserting selects.

[oota-llvm.git] / test / CodeGen / PowerPC / 2016-01-07-BranchWeightCrash.ll

diff --git a/test/CodeGen/PowerPC/2016-01-07-BranchWeightCrash.ll b/test/CodeGen/PowerPC/2016-01-07-BranchWeightCrash.ll
new file mode 100644 (file)
index 0000000..65dff12
--- /dev/null
+++ b/test/CodeGen/PowerPC/2016-01-07-BranchWeightCrash.ll
@@ -0,0 +1,35 @@
+; RUN: llc <%s | FileCheck %s
+target datalayout = "e-m:e-i64:64-n32:64"
+target triple = "powerpc64le-unknown-linux-gnu"
+
+%struct.buffer_t = type { i64, i8*, [4 x i32], [4 x i32], [4 x i32], i32, i8, i8, [2 x i8] }
+
+declare i32 @__f1(i8*, %struct.buffer_t* noalias)
+
+; CHECK-LABEL: f1:
+define i32 @f1(i8* %__user_context, %struct.buffer_t* noalias %f1.buffer) {
+entry:
+  br i1 undef, label %"assert succeeded", label %"assert failed", !prof !1
+
+"assert failed":                                  ; preds = %entry
+  br label %destructor_block
+
+"assert succeeded":                               ; preds = %entry
+  %__f1_result = call i32 @__f1(i8* %__user_context, %struct.buffer_t* %f1.buffer) #5
+  %0 = icmp eq i32 %__f1_result, 0
+  br i1 %0, label %"assert succeeded11", label %"assert failed10", !prof !1
+
+destructor_block:                                 ; preds = %"assert succeeded11", %"assert failed10", %"assert failed"
+  %1 = phi i32 [ undef, %"assert failed" ], [ %__f1_result, %"assert failed10" ], [ 0, %"assert succeeded11" ]
+  ret i32 %1
+
+"assert failed10":                                ; preds = %"assert succeeded"
+  br label %destructor_block
+
+"assert succeeded11":                             ; preds = %"assert succeeded"
+  br label %destructor_block
+}
+
+attributes #5 = { nounwind }
+
+!1 = !{!"branch_weights", i32 1073741824, i32 0}