; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6 ; RUN: llc < %s -O3 -mtriple=aarch64 | FileCheck %s ; From #164775, this generates a pre-index load feeding a post-index store, that ; was checking the wrong uses for post-inc. It seems quite delicate for it to ; generate this combination at the wrong point to hit the same issue. @g_260 = dso_local global i16 0 @g_480 = dso_local global i16 0 define i32 @func_1(ptr %l_3253) { ; CHECK-LABEL: func_1: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: sub sp, sp, #128 ; CHECK-NEXT: .cfi_def_cfa_offset 128 ; CHECK-NEXT: movi v0.2d, #0000000000000000 ; CHECK-NEXT: mov w9, #2 // =0x2 ; CHECK-NEXT: mov w10, #96 // =0x60 ; CHECK-NEXT: strb wzr, [x9] ; CHECK-NEXT: mov w9, #111 // =0x6f ; CHECK-NEXT: mov x8, xzr ; CHECK-NEXT: str wzr, [x9] ; CHECK-NEXT: mov w9, #80 // =0x50 ; CHECK-NEXT: adrp x1, .L_MergedGlobals ; CHECK-NEXT: add x1, x1, :lo12:.L_MergedGlobals ; CHECK-NEXT: strh wzr, [x8] ; CHECK-NEXT: str q0, [x9] ; CHECK-NEXT: mov w9, #48 // =0x30 ; CHECK-NEXT: str q0, [x9] ; CHECK-NEXT: mov w9, #32 // =0x20 ; CHECK-NEXT: str q0, [x10] ; CHECK-NEXT: mov w10, #64 // =0x40 ; CHECK-NEXT: str q0, [x9] ; CHECK-NEXT: mov w9, #16 // =0x10 ; CHECK-NEXT: str q0, [x10] ; CHECK-NEXT: str q0, [x9] ; CHECK-NEXT: str q0, [x8] ; CHECK-NEXT: adrp x8, .L_MergedGlobals ; CHECK-NEXT: strb wzr, [x0, #8] ; CHECK-NEXT: strb wzr, [x0, #12] ; CHECK-NEXT: strb wzr, [x0, #16] ; CHECK-NEXT: strb wzr, [x0, #20] ; CHECK-NEXT: mov w0, wzr ; CHECK-NEXT: ldrh wzr, [x8, :lo12:.L_MergedGlobals] ; CHECK-NEXT: ldrh w8, [x1, #4]! ; CHECK-NEXT: sub w8, w8, #1 ; CHECK-NEXT: strh w8, [x1] ; CHECK-NEXT: add sp, sp, #128 ; CHECK-NEXT: b use entry: %l_32531.sroa.3 = alloca [3 x i8], align 4 %l_32531.sroa.4 = alloca [115 x i8], align 4 call void @llvm.lifetime.start.p0(ptr %l_32531.sroa.3) call void @llvm.lifetime.start.p0(ptr %l_32531.sroa.4) call void @llvm.memset.p0.i64(ptr null, i8 0, i64 3, i1 false) call void @llvm.memset.p0.i64(ptr null, i8 0, i64 115, i1 false) %0 = getelementptr inbounds i8, ptr %l_3253, i64 8 store i8 0, ptr %0, align 4 %1 = getelementptr inbounds i8, ptr %l_3253, i64 12 store i8 0, ptr %1, align 4 %2 = getelementptr inbounds i8, ptr %l_3253, i64 16 store i8 0, ptr %2, align 4 %3 = getelementptr inbounds i8, ptr %l_3253, i64 20 store i8 0, ptr %3, align 4 %4 = load volatile i16, ptr @g_260, align 4 %5 = load i16, ptr @g_480, align 4 %dec.i.i = add i16 %5, -1 store i16 %dec.i.i, ptr @g_480, align 4 %call1 = tail call i32 @use(i32 0, ptr @g_480) ret i32 %call1 } declare i32 @use(i32, ptr)