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a60832b018
can have a non-negative result; for example, -16%16 is 0. Also, clarify the related comments. This fixes PR2670. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54767 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
596 B
LLVM
19 lines
596 B
LLVM
; RUN: llvm-as < %s | opt -instcombine
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; PR2670
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@g_127 = external global i32 ; <i32*> [#uses=1]
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define i32 @func_56(i32 %p_58, i32 %p_59, i32 %p_61, i16 signext %p_62) nounwind {
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entry:
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%call = call i32 (...)* @rshift_s_s( i32 %p_61, i32 1 ) ; <i32> [#uses=1]
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%conv = sext i32 %call to i64 ; <i64> [#uses=1]
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%or = or i64 -1734012817166602727, %conv ; <i64> [#uses=1]
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%rem = srem i64 %or, 1 ; <i64> [#uses=1]
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%cmp = icmp eq i64 %rem, 1 ; <i1> [#uses=1]
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%cmp.ext = zext i1 %cmp to i32 ; <i32> [#uses=1]
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store i32 %cmp.ext, i32* @g_127
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ret i32 undef
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}
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declare i32 @rshift_s_s(...)
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