21 lines
668 B
LLVM
21 lines
668 B
LLVM
; RUN: llc -march=x86-64 < %s -disable-fp-elim | FileCheck %s
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; This test is checking that we don't crash and we don't incorrectly fold
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; a large displacement and a frame index into a single lea.
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; <rdar://problem/9763308>
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declare void @bar([39 x i8]*)
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define i32 @f(i64 %a, i64 %b) nounwind readnone {
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entry:
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%stack_main = alloca [39 x i8]
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call void @bar([39 x i8]* %stack_main)
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%tmp6 = add i64 %a, -2147483647
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%.sum = add i64 %tmp6, %b
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%tmp8 = getelementptr inbounds [39 x i8], [39 x i8]* %stack_main, i64 0, i64 %.sum
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%tmp9 = load i8, i8* %tmp8, align 1
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%tmp10 = sext i8 %tmp9 to i32
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ret i32 %tmp10
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}
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; CHECK-LABEL: f:
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; CHECK: movsbl -2147483647
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