1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -O3 -mtriple=riscv64 -riscv-enable-copy-propagation=false | FileCheck %s --check-prefix=NOPROP 3; RUN: llc < %s -O3 -mtriple=riscv64 -riscv-enable-copy-propagation=true | FileCheck %s --check-prefix=PROP 4 5define void @copyprop_after_mbp(i32 %v, ptr %a, ptr %b, ptr %c, ptr %d) { 6; NOPROP-LABEL: copyprop_after_mbp: 7; NOPROP: # %bb.0: 8; NOPROP-NEXT: sext.w a0, a0 9; NOPROP-NEXT: li a5, 10 10; NOPROP-NEXT: bne a0, a5, .LBB0_2 11; NOPROP-NEXT: # %bb.1: # %bb.0 12; NOPROP-NEXT: li a0, 15 13; NOPROP-NEXT: sw a0, 0(a2) 14; NOPROP-NEXT: li a0, 1 15; NOPROP-NEXT: sw a0, 0(a1) 16; NOPROP-NEXT: li a0, 12 17; NOPROP-NEXT: sw a0, 0(a4) 18; NOPROP-NEXT: ret 19; NOPROP-NEXT: .LBB0_2: # %bb.1 20; NOPROP-NEXT: li a0, 0 21; NOPROP-NEXT: li a2, 25 22; NOPROP-NEXT: sw a2, 0(a3) 23; NOPROP-NEXT: sw a0, 0(a1) 24; NOPROP-NEXT: li a0, 12 25; NOPROP-NEXT: sw a0, 0(a4) 26; NOPROP-NEXT: ret 27; 28; PROP-LABEL: copyprop_after_mbp: 29; PROP: # %bb.0: 30; PROP-NEXT: sext.w a0, a0 31; PROP-NEXT: li a5, 10 32; PROP-NEXT: bne a0, a5, .LBB0_2 33; PROP-NEXT: # %bb.1: # %bb.0 34; PROP-NEXT: li a0, 15 35; PROP-NEXT: sw a0, 0(a2) 36; PROP-NEXT: li a0, 1 37; PROP-NEXT: sw a0, 0(a1) 38; PROP-NEXT: li a0, 12 39; PROP-NEXT: sw a0, 0(a4) 40; PROP-NEXT: ret 41; PROP-NEXT: .LBB0_2: # %bb.1 42; PROP-NEXT: li a2, 25 43; PROP-NEXT: sw a2, 0(a3) 44; PROP-NEXT: sw zero, 0(a1) 45; PROP-NEXT: li a0, 12 46; PROP-NEXT: sw a0, 0(a4) 47; PROP-NEXT: ret 48 %1 = icmp eq i32 %v, 10 49 br i1 %1, label %bb.0, label %bb.1 50 51bb.0: 52 store i32 15, ptr %b, align 4 53 br label %bb.2 54 55bb.1: 56 store i32 25, ptr %c, align 4 57 br label %bb.2 58 59bb.2: 60 %2 = phi i32 [ 1, %bb.0 ], [ 0, %bb.1 ] 61 store i32 %2, ptr %a, align 4 62 store i32 12, ptr %d, align 4 63 ret void 64} 65