llvm-6502/test/Transforms/InstCombine/malloc2.ll

20 lines
752 B
LLVM

; RUN: opt < %s -instcombine -S | grep {ret i32 0}
; RUN: opt < %s -instcombine -S | not grep malloc
; PR1313
define i32 @test1(i32 %argc, i8* %argv, i8* %envp) {
%tmp15.i.i.i23 = malloc [2564 x i32] ; <[2564 x i32]*> [#uses=1]
%c = icmp eq [2564 x i32]* %tmp15.i.i.i23, null ; <i1>:0 [#uses=1]
%retval = zext i1 %c to i32 ; <i32> [#uses=1]
ret i32 %retval
}
define i32 @test2(i32 %argc, i8* %argv, i8* %envp) {
%tmp15.i.i.i23 = malloc [2564 x i32] ; <[2564 x i32]*> [#uses=1]
%X = bitcast [2564 x i32]* %tmp15.i.i.i23 to i32*
%c = icmp ne i32* %X, null
%retval = zext i1 %c to i32 ; <i32> [#uses=1]
ret i32 %retval
}