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668a0ff5ef
by aggressive chain operand optimization. UpdateNodeOperands does not modify the node in place if it would result in a node identical to an existing node. llvm-svn: 78297
21 lines
964 B
LLVM
21 lines
964 B
LLVM
; RUN: llvm-as < %s | llc -march=x86-64 -combiner-global-alias-analysis -combiner-alias-analysis
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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%struct.Hash_Key = type { [4 x i32], i32 }
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@g_flipV_hashkey = external global %struct.Hash_Key, align 16 ; <%struct.Hash_Key*> [#uses=1]
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define void @foo() nounwind {
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%t0 = load i32* undef, align 16 ; <i32> [#uses=1]
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%t1 = load i32* null, align 4 ; <i32> [#uses=1]
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%t2 = srem i32 %t0, 32 ; <i32> [#uses=1]
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%t3 = shl i32 1, %t2 ; <i32> [#uses=1]
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%t4 = xor i32 %t3, %t1 ; <i32> [#uses=1]
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store i32 %t4, i32* null, align 4
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%t5 = getelementptr %struct.Hash_Key* @g_flipV_hashkey, i64 0, i32 0, i64 0 ; <i32*> [#uses=2]
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%t6 = load i32* %t5, align 4 ; <i32> [#uses=1]
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%t7 = shl i32 1, undef ; <i32> [#uses=1]
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%t8 = xor i32 %t7, %t6 ; <i32> [#uses=1]
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store i32 %t8, i32* %t5, align 4
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unreachable
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}
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