llvm-6502/test/Transforms/InstCombine/cast-malloc.ll
2009-09-08 22:34:10 +00:00

16 lines
536 B
LLVM

; test that casted mallocs get converted to malloc of the right type
; RUN: opt %s -instcombine -S | \
; RUN: not grep bitcast
; 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
}