27 lines · plain
1; RUN: llc -mtriple=arm64_32-apple-ios8.0 %s -o - | FileCheck %s2 3; We're provoking LocalStackSlotAllocation to create some shared frame bases4; here: it wants multiple <fi#N> using instructions that can be satisfied by a5; single base, but not within the addressing-mode.6;7; When that happens it's important that we don't mix our pointer sizes8; (e.g. try to create an ldr from a w-register base).9define i8 @test_register_wrangling() {10; CHECK-LABEL: test_register_wrangling:11; CHECK: add [[TMP:x[0-9]+]], sp,12; CHECK: add x[[BASE:[0-9]+]], [[TMP]],13; CHECK: ldrb {{w[0-9]+}}, [x[[BASE]], #1]14; CHECK: ldrb {{w[0-9]+}}, [x[[BASE]]]15 16 %var1 = alloca i8, i32 410017 %var3 = alloca i818 %dummy = alloca i8, i32 410019 20 %var1p1 = getelementptr i8, ptr %var1, i32 121 %val1 = load i8, ptr %var122 %val2 = load i8, ptr %var323 24 %sum = add i8 %val1, %val225 ret i8 %sum26}27