Victor Hernandez 96b930ddc7 Auto-upgrade malloc instructions to malloc calls.
Reviewed by Devang Patel.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82694 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-24 17:47:49 +00:00

16 lines
544 B
LLVM

; test that casted mallocs get converted to malloc of the right type
; RUN: opt < %s -instcombine -S | \
; RUN: grep bitcast | count 1
; The target datalayout is important for this test case. We have to tell
; instcombine that the ABI alignment for a long is 4-bytes, not 8, otherwise
; it won't do the transform.
target datalayout = "e-i64:32:64"
define i32* @test(i32 %size) {
%X = malloc i64, i32 %size ; <i64*> [#uses=1]
%ret = bitcast i64* %X to i32* ; <i32*> [#uses=1]
ret i32* %ret
}