Updating branches/google/stable to r178511stable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/google/stable@178655 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 57 insertions, 0 deletions

diff --git a/test/CodeGen/X86/2009-02-26-MachineLICMBug.ll b/test/CodeGen/X86/2009-02-26-MachineLICMBug.ll
new file mode 100644
index 0000000000..68a9fafb6d
--- /dev/null
+++ b/test/CodeGen/X86/2009-02-26-MachineLICMBug.ll
@@ -0,0 +1,57 @@
+; REQUIRES: asserts
+; RUN: llc < %s -march=x86-64 -mattr=+sse3,+sse41 -mcpu=penryn -stats 2>&1 | grep "5 machine-licm"
+; RUN: llc < %s -march=x86-64 -mattr=+sse3,+sse41 -mcpu=penryn | FileCheck %s
+; rdar://6627786
+; rdar://7792037
+
+target triple = "x86_64-apple-darwin10.0"
+	%struct.Key = type { i64 }
+	%struct.__Rec = type opaque
+	%struct.__vv = type {  }
+
+define %struct.__vv* @t(%struct.Key* %desc, i64 %p) nounwind ssp {
+entry:
+	br label %bb4
+
+bb4:		; preds = %bb.i, %bb26, %bb4, %entry
+; CHECK: %bb4
+; CHECK: xorb
+; CHECK: callq
+; CHECK: movq
+; CHECK: xorl
+; CHECK: xorb
+
+	%0 = call i32 (...)* @xxGetOffsetForCode(i32 undef) nounwind		; <i32> [#uses=0]
+	%ins = or i64 %p, 2097152		; <i64> [#uses=1]
+	%1 = call i32 (...)* @xxCalculateMidType(%struct.Key* %desc, i32 0) nounwind		; <i32> [#uses=1]
+	%cond = icmp eq i32 %1, 1		; <i1> [#uses=1]
+	br i1 %cond, label %bb26, label %bb4
+
+bb26:		; preds = %bb4
+	%2 = and i64 %ins, 15728640		; <i64> [#uses=1]
+	%cond.i = icmp eq i64 %2, 1048576		; <i1> [#uses=1]
+	br i1 %cond.i, label %bb.i, label %bb4
+
+bb.i:		; preds = %bb26
+	%3 = load i32* null, align 4		; <i32> [#uses=1]
+	%4 = uitofp i32 %3 to float		; <float> [#uses=1]
+	%.sum13.i = add i64 0, 4		; <i64> [#uses=1]
+	%5 = getelementptr i8* null, i64 %.sum13.i		; <i8*> [#uses=1]
+	%6 = bitcast i8* %5 to i32*		; <i32*> [#uses=1]
+	%7 = load i32* %6, align 4		; <i32> [#uses=1]
+	%8 = uitofp i32 %7 to float		; <float> [#uses=1]
+	%.sum.i = add i64 0, 8		; <i64> [#uses=1]
+	%9 = getelementptr i8* null, i64 %.sum.i		; <i8*> [#uses=1]
+	%10 = bitcast i8* %9 to i32*		; <i32*> [#uses=1]
+	%11 = load i32* %10, align 4		; <i32> [#uses=1]
+	%12 = uitofp i32 %11 to float		; <float> [#uses=1]
+	%13 = insertelement <4 x float> undef, float %4, i32 0		; <<4 x float>> [#uses=1]
+	%14 = insertelement <4 x float> %13, float %8, i32 1		; <<4 x float>> [#uses=1]
+	%15 = insertelement <4 x float> %14, float %12, i32 2		; <<4 x float>> [#uses=1]
+	store <4 x float> %15, <4 x float>* null, align 16
+	br label %bb4
+}
+
+declare i32 @xxGetOffsetForCode(...)
+
+declare i32 @xxCalculateMidType(...)