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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -mtriple=thumbv8m.main-none-none-eabi %s -o - -verify-machineinstrs | FileCheck %s3 4declare i32 @fn(i32) #05 6define i32 @f1(i32 %a) #0 {7; CHECK-LABEL: f1:8; CHECK: @ %bb.0: @ %entry9; CHECK-NEXT: .save {r4, lr}10; CHECK-NEXT: push {r4, lr}11; CHECK-NEXT: mov r4, r012; CHECK-NEXT: bl fn13; CHECK-NEXT: movs r0, #014; CHECK-NEXT: cbz r4, .LBB0_215; CHECK-NEXT: @ %bb.1: @ %return16; CHECK-NEXT: pop {r4, pc}17; CHECK-NEXT: .LBB0_2: @ %if.end18; CHECK-NEXT: bl fn19; CHECK-NEXT: adds r0, #120; CHECK-NEXT: pop {r4, pc}21entry:22 %call = tail call i32 @fn(i32 %a) #223 %tobool = icmp eq i32 %a, 024 br i1 %tobool, label %if.end, label %return25 26if.end: ; preds = %entry27 %call1 = tail call i32 @fn(i32 0) #228 %add = add nsw i32 %call1, 129 br label %return30 31return: ; preds = %entry, %if.end32 %retval.0 = phi i32 [ %add, %if.end ], [ 0, %entry ]33 ret i32 %retval.034}35 36define i32 @f2(i32 %a) #0 {37; CHECK-LABEL: f2:38; CHECK: @ %bb.0: @ %entry39; CHECK-NEXT: .save {r4, lr}40; CHECK-NEXT: push {r4, lr}41; CHECK-NEXT: mov r4, r042; CHECK-NEXT: bl fn43; CHECK-NEXT: movs r0, #044; CHECK-NEXT: cmp r4, #145; CHECK-NEXT: bne .LBB1_246; CHECK-NEXT: @ %bb.1: @ %if.end47; CHECK-NEXT: bl fn48; CHECK-NEXT: adds r0, #149; CHECK-NEXT: .LBB1_2: @ %return50; CHECK-NEXT: pop {r4, pc}51entry:52 %call = tail call i32 @fn(i32 %a) #253 %tobool = icmp eq i32 %a, 154 br i1 %tobool, label %if.end, label %return55 56if.end: ; preds = %entry57 %call1 = tail call i32 @fn(i32 0) #258 %add = add nsw i32 %call1, 159 br label %return60 61return: ; preds = %entry, %if.end62 %retval.0 = phi i32 [ %add, %if.end ], [ 0, %entry ]63 ret i32 %retval.064}65 66define void @f3(i32 %x) #0 {67; CHECK-LABEL: f3:68; CHECK: @ %bb.0: @ %entry69; CHECK-NEXT: cmp r0, #170; CHECK-NEXT: bne .LBB2_271; CHECK-NEXT: @ %bb.1: @ %t72; CHECK-NEXT: .save {r7, lr}73; CHECK-NEXT: push {r7, lr}74; CHECK-NEXT: movs r0, #075; CHECK-NEXT: bl fn76; CHECK-NEXT: pop.w {r7, lr}77; CHECK-NEXT: .LBB2_2: @ %f78; CHECK-NEXT: bx lr79entry:80 %p = icmp eq i32 %x, 181 br i1 %p, label %t, label %f82 83t:84 call i32 @fn(i32 0)85 br label %f86 87f:88 ret void89}90 91attributes #0 = { minsize nounwind optsize }92 93