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input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. llvm-svn: 81537
30 lines
1.0 KiB
LLVM
30 lines
1.0 KiB
LLVM
; PR1271
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; RUN: opt < %s -instcombine -S | \
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; RUN: grep {icmp eq i32 .tmp.*, 2146435072}
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%struct..0anon = type { i32, i32 }
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%struct..1anon = type { double }
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define i32 @main() {
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entry:
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%u = alloca %struct..1anon, align 8 ; <%struct..1anon*> [#uses=4]
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%tmp1 = getelementptr %struct..1anon* %u, i32 0, i32 0 ; <double*> [#uses=1]
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store double 0x7FF0000000000000, double* %tmp1
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%tmp3 = getelementptr %struct..1anon* %u, i32 0, i32 0 ; <double*> [#uses=1]
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%tmp34 = bitcast double* %tmp3 to %struct..0anon* ; <%struct..0anon*> [#uses=1]
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%tmp5 = getelementptr %struct..0anon* %tmp34, i32 0, i32 1 ; <i32*> [#uses=1]
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%tmp6 = load i32* %tmp5 ; <i32> [#uses=1]
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%tmp7 = shl i32 %tmp6, 1 ; <i32> [#uses=1]
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%tmp8 = lshr i32 %tmp7, 21 ; <i32> [#uses=1]
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%tmp89 = trunc i32 %tmp8 to i16 ; <i16> [#uses=1]
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icmp ne i16 %tmp89, 2047 ; <i1>:0 [#uses=1]
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zext i1 %0 to i8 ; <i8>:1 [#uses=1]
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icmp ne i8 %1, 0 ; <i1>:2 [#uses=1]
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br i1 %2, label %cond_true, label %cond_false
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cond_true: ; preds = %entry
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ret i32 0
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cond_false: ; preds = %entry
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ret i32 1
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}
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