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1; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+32bit %s -o - \2; RUN: | FileCheck %s3 4define i64 @f1(i64 %a, i64 %b) {5; CHECK-LABEL: f1:6; CHECK: subs.w r0, r0, r27; To test dead_carry, +32bit prevents sbc conveting to 16-bit sbcs8; CHECK: sbc.w r1, r1, r39 %tmp = sub i64 %a, %b10 ret i64 %tmp11}12