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744f455d55
the trunc is directly replaced with the smaller load, so don't try to create a new sext node. This fixes PR4050. llvm-svn: 70179
21 lines
731 B
LLVM
21 lines
731 B
LLVM
; RUN: llvm-as < %s | llc -march=x86-64 | grep movslq | count 1
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; PR4050
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type { i64 } ; type %0
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%struct.S1 = type { i16, i32 }
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@g_10 = external global %struct.S1 ; <%struct.S1*> [#uses=2]
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declare void @func_28(i64, i64)
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define void @int322(i32 %foo) nounwind {
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entry:
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%val = load i64* getelementptr (%0* bitcast (%struct.S1* @g_10 to %0*), i32 0, i32 0) ; <i64> [#uses=1]
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%0 = load i32* getelementptr (%struct.S1* @g_10, i32 0, i32 1), align 4 ; <i32> [#uses=1]
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%1 = sext i32 %0 to i64 ; <i64> [#uses=1]
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%tmp4.i = lshr i64 %val, 32 ; <i64> [#uses=1]
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%tmp5.i = trunc i64 %tmp4.i to i32 ; <i32> [#uses=1]
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%2 = sext i32 %tmp5.i to i64 ; <i64> [#uses=1]
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tail call void @func_28(i64 %2, i64 %1) nounwind
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ret void
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}
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