| ; fastisel should not fold add with non-pointer bitwidth |
| ; sext(a) + sext(b) != sext(a + b) |
| ; RUN: llc -mtriple=armv7-apple-ios %s -O0 -o - | FileCheck %s |
| |
| define zeroext i8 @gep_promotion(i8* %ptr) nounwind uwtable ssp { |
| entry: |
| %ptr.addr = alloca i8*, align 8 |
| %add = add i8 64, 64 ; 0x40 + 0x40 |
| %0 = load i8*, i8** %ptr.addr, align 8 |
| |
| ; CHECK-LABEL: _gep_promotion: |
| ; CHECK: ldrb {{r[0-9]+}}, {{\[r[0-9]+\]}} |
| %arrayidx = getelementptr inbounds i8, i8* %0, i8 %add |
| |
| %1 = load i8, i8* %arrayidx, align 1 |
| ret i8 %1 |
| } |
| |