llvm-project/llvm/test/Analysis/MemorySSA/pr46574.ll

34 lines
1.5 KiB
LLVM

; RUN: opt -loop-instsimplify -loop-simplifycfg -licm -simple-loop-unswitch -enable-nontrivial-unswitch %s -disable-output
; REQUIRES: asserts
%0 = type { i24, i32, i32, i8 }
@g_1077 = external dso_local local_unnamed_addr global [4 x [3 x [2 x { i8, i8, i8, i8, i8, i8, i8, i8, i32 }]]], align 4
define void @func_22() {
bb:
br label %bb13
bb13: ; preds = %bb38, %bb31, %bb
%i15 = load i32, i32* undef, align 4
%i16 = trunc i32 %i15 to i8
%i18 = load %0*, %0** undef, align 8
%i19 = icmp eq %0* %i18, null
br i1 %i19, label %bb31, label %safe_mod_func_uint8_t_u_u.exit
bb31: ; preds = %bb13
%i25 = load i8, i8* getelementptr inbounds ([4 x [3 x [2 x { i8, i8, i8, i8, i8, i8, i8, i8, i32 }]]], [4 x [3 x [2 x { i8, i8, i8, i8, i8, i8, i8, i8, i32 }]]]* @g_1077, i64 0, i64 2, i64 2, i64 1, i32 6), align 2
%i28 = or i8 %i25, %i16
store i8 %i28, i8* getelementptr inbounds ([4 x [3 x [2 x { i8, i8, i8, i8, i8, i8, i8, i8, i32 }]]], [4 x [3 x [2 x { i8, i8, i8, i8, i8, i8, i8, i8, i32 }]]]* @g_1077, i64 0, i64 2, i64 2, i64 1, i32 6), align 2
%i30 = icmp ne i8 %i28, 0
%i37.not = icmp eq i8 %i16, 0
%or.cond = or i1 %i37.not, %i30
br i1 %or.cond, label %bb13, label %bb38
safe_mod_func_uint8_t_u_u.exit: ; preds = %bb13
br label %bb38
bb38: ; preds = %safe_mod_func_uint8_t_u_u.exit, %bb31
br label %bb13
}