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1; fastisel should not fold add with non-pointer bitwidth2; sext(a) + sext(b) != sext(a + b)3; RUN: llc -fast-isel -mtriple=arm64-apple-darwin %s -O0 -o - | FileCheck %s4 5define zeroext i8 @gep_promotion(ptr %ptr) nounwind uwtable ssp {6entry:7 %ptr.addr = alloca ptr, align 88 %add = add i8 64, 64 ; 0x40 + 0x409 %0 = load ptr, ptr %ptr.addr, align 810 11 ; CHECK-LABEL: _gep_promotion:12 ; CHECK: ldrb {{[a-z][0-9]+}}, {{\[[a-z][0-9]+\]}}13 %arrayidx = getelementptr inbounds i8, ptr %0, i8 %add14 15 %1 = load i8, ptr %arrayidx, align 116 ret i8 %117}18 19