1*6f3f600bSNikita Popov; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 2*6f3f600bSNikita Popov; RUN: opt -S -passes=inline < %s | FileCheck %s 3*6f3f600bSNikita Popov 4*6f3f600bSNikita Popov; Make sure the loop condition is not incorrectly simplified during inlinig. 5*6f3f600bSNikita Popovdefine internal i32 @pow(i32 %Base, i32 %Power) { 6*6f3f600bSNikita Popoventry: 7*6f3f600bSNikita Popov %IsZero = icmp eq i32 %Power, 0 8*6f3f600bSNikita Popov br i1 %IsZero, label %while.end, label %while.body 9*6f3f600bSNikita Popov 10*6f3f600bSNikita Popovwhile.body: 11*6f3f600bSNikita Popov %Val = phi i32 [ %mul, %while.body ], [ 1, %entry ] 12*6f3f600bSNikita Popov %Power.Phi = phi i32 [ %dec, %while.body ], [ %Power, %entry ] 13*6f3f600bSNikita Popov %dec = add i32 %Power.Phi, -1 14*6f3f600bSNikita Popov %mul = mul i32 %Val, %Base 15*6f3f600bSNikita Popov %tobool.not = icmp eq i32 %dec, 0 16*6f3f600bSNikita Popov br i1 %tobool.not, label %while.end, label %while.body 17*6f3f600bSNikita Popov 18*6f3f600bSNikita Popovwhile.end: 19*6f3f600bSNikita Popov %Res = phi i32 [ 1, %entry ], [ %mul, %while.body ] 20*6f3f600bSNikita Popov ret i32 %Res 21*6f3f600bSNikita Popov} 22*6f3f600bSNikita Popov 23*6f3f600bSNikita Popovdefine i32 @caller(i32 %Base, i32 %Power) { 24*6f3f600bSNikita Popov; CHECK-LABEL: define i32 @caller 25*6f3f600bSNikita Popov; CHECK-SAME: (i32 [[BASE:%.*]], i32 [[POWER:%.*]]) { 26*6f3f600bSNikita Popov; CHECK-NEXT: [[ISZERO_I:%.*]] = icmp eq i32 [[POWER]], 0 27*6f3f600bSNikita Popov; CHECK-NEXT: br i1 [[ISZERO_I]], label [[POW_EXIT:%.*]], label [[WHILE_BODY_I:%.*]] 28*6f3f600bSNikita Popov; CHECK: while.body.i: 29*6f3f600bSNikita Popov; CHECK-NEXT: [[VAL_I:%.*]] = phi i32 [ [[MUL_I:%.*]], [[WHILE_BODY_I]] ], [ 1, [[TMP0:%.*]] ] 30*6f3f600bSNikita Popov; CHECK-NEXT: [[POWER_PHI_I:%.*]] = phi i32 [ [[DEC_I:%.*]], [[WHILE_BODY_I]] ], [ [[POWER]], [[TMP0]] ] 31*6f3f600bSNikita Popov; CHECK-NEXT: [[DEC_I]] = add i32 [[POWER_PHI_I]], -1 32*6f3f600bSNikita Popov; CHECK-NEXT: [[MUL_I]] = mul i32 [[VAL_I]], [[BASE]] 33*6f3f600bSNikita Popov; CHECK-NEXT: [[TOBOOL_NOT_I:%.*]] = icmp eq i32 [[DEC_I]], 0 34*6f3f600bSNikita Popov; CHECK-NEXT: br i1 [[TOBOOL_NOT_I]], label [[POW_EXIT]], label [[WHILE_BODY_I]] 35*6f3f600bSNikita Popov; CHECK: pow.exit: 36*6f3f600bSNikita Popov; CHECK-NEXT: [[RES_I:%.*]] = phi i32 [ 1, [[TMP0]] ], [ [[MUL_I]], [[WHILE_BODY_I]] ] 37*6f3f600bSNikita Popov; CHECK-NEXT: ret i32 [[RES_I]] 38*6f3f600bSNikita Popov; 39*6f3f600bSNikita Popov %res = call i32 @pow(i32 %Base, i32 %Power) 40*6f3f600bSNikita Popov ret i32 %res 41*6f3f600bSNikita Popov} 42