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e3c442050d
size by the array amount as an i32 value instead of promoting from i32 to i64 then doing the multiply. Not doing this broke wrap-around assumptions that the optimizers (validly) made. The ultimate real fix for this is to introduce i64 version of alloca and remove mallocinst. This fixes PR3829 llvm-svn: 67093
11 lines
303 B
LLVM
11 lines
303 B
LLVM
; RUN: llvm-as < %s | llc -march=x86-64 | grep {shll.*3, %edi}
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; PR3829
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; The generated code should multiply by 3 (sizeof i8*) as an i32,
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; not as an i64!
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define i8** @test(i32 %sz) {
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%sub = add i32 %sz, 536870911 ; <i32> [#uses=1]
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%call = malloc i8*, i32 %sub ; <i8**> [#uses=1]
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ret i8** %call
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}
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