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1; RUN: llc < %s -mtriple=thumbv6m-none-eabi | FileCheck %s2 3define i1 @signed_multiplication_did_overflow(i32, i32) {4; CHECK-LABEL: signed_multiplication_did_overflow:5entry-block:6 %2 = tail call { i32, i1 } @llvm.smul.with.overflow.i32(i32 %0, i32 %1)7 %3 = extractvalue { i32, i1 } %2, 18 ret i1 %39 10; CHECK: mov r2, r111; CHECK: asrs r1, r0, #3112; CHECK: asrs r3, r2, #3113; CHECK: bl __aeabi_lmul14}15 16declare { i32, i1 } @llvm.smul.with.overflow.i32(i32, i32)17