|  | ; RUN: opt -bool-ret-to-int -S -o - < %s | FileCheck %s | 
|  |  | 
|  | target datalayout = "e-m:e-i64:64-n32:64" | 
|  | target triple = "powerpc64le-unknown-linux-gnu" | 
|  |  | 
|  | ; CHECK-LABEL: notBoolRet | 
|  | define signext i32 @notBoolRet() { | 
|  | entry: | 
|  | ; CHECK: ret i32 1 | 
|  | ret i32 1 | 
|  | } | 
|  |  | 
|  | ; CHECK-LABEL: find | 
|  | define zeroext i1 @find(i8** readonly %begin, i8** readnone %end, i1 (i8*)* nocapture %hasProp) { | 
|  | entry: | 
|  | %cmp.4 = icmp eq i8** %begin, %end | 
|  | br i1 %cmp.4, label %cleanup, label %for.body.preheader | 
|  |  | 
|  | for.body.preheader:                               ; preds = %entry | 
|  | br label %for.body | 
|  |  | 
|  | for.cond:                                         ; preds = %for.body | 
|  | %cmp = icmp eq i8** %incdec.ptr, %end | 
|  | br i1 %cmp, label %cleanup.loopexit, label %for.body | 
|  |  | 
|  | for.body:                                         ; preds = %for.body.preheader, %for.cond | 
|  | %curr.05 = phi i8** [ %incdec.ptr, %for.cond ], [ %begin, %for.body.preheader ] | 
|  | %0 = load i8*, i8** %curr.05, align 8 | 
|  | %call = tail call zeroext i1 %hasProp(i8* %0) | 
|  | %incdec.ptr = getelementptr inbounds i8*, i8** %curr.05, i64 1 | 
|  | br i1 %call, label %cleanup.loopexit, label %for.cond | 
|  |  | 
|  | cleanup.loopexit:                                 ; preds = %for.body, %for.cond | 
|  | ; CHECK: [[PHI:%.+]] = phi i64 [ 1, %for.body ], [ 0, %for.cond ] | 
|  | %cleanup.dest.slot.0.ph = phi i1 [ true, %for.body ], [ false, %for.cond ] | 
|  | br label %cleanup | 
|  |  | 
|  | cleanup:                                          ; preds = %cleanup.loopexit, %entry | 
|  | ; CHECK: = phi i64 [ 0, %entry ], [ [[PHI]], %cleanup.loopexit ] | 
|  | %cleanup.dest.slot.0 = phi i1 [ false, %entry ], [ %cleanup.dest.slot.0.ph, %cleanup.loopexit ] | 
|  | ; CHECK: [[REG:%.+]] = trunc i64 {{%.+}} to i1 | 
|  | ; CHECK: ret i1 [[REG]] | 
|  | ret i1 %cleanup.dest.slot.0 | 
|  | } | 
|  |  | 
|  | ; CHECK-LABEL: retFalse | 
|  | define zeroext i1 @retFalse() { | 
|  | entry: | 
|  | ; CHECK: ret i1 false | 
|  | ret i1 false | 
|  | } | 
|  |  | 
|  | ; CHECK-LABEL: retCvtFalse | 
|  | define zeroext i1 @retCvtFalse() { | 
|  | entry: | 
|  | ; CHECK: ret i1 false | 
|  | ret i1 trunc(i32 0 to i1) | 
|  | } | 
|  |  | 
|  | ; CHECK-LABEL: find_cont | 
|  | define void @find_cont(i8** readonly %begin, i8** readnone %end, i1 (i8*)* nocapture %hasProp, void (i1)* nocapture %cont) { | 
|  | entry: | 
|  | %cmp.4 = icmp eq i8** %begin, %end | 
|  | br i1 %cmp.4, label %cleanup, label %for.body.preheader | 
|  |  | 
|  | for.body.preheader:                               ; preds = %entry | 
|  | br label %for.body | 
|  |  | 
|  | for.cond:                                         ; preds = %for.body | 
|  | %cmp = icmp eq i8** %incdec.ptr, %end | 
|  | br i1 %cmp, label %cleanup.loopexit, label %for.body | 
|  |  | 
|  | for.body:                                         ; preds = %for.body.preheader, %for.cond | 
|  | %curr.05 = phi i8** [ %incdec.ptr, %for.cond ], [ %begin, %for.body.preheader ] | 
|  | %0 = load i8*, i8** %curr.05, align 8 | 
|  | %call = tail call zeroext i1 %hasProp(i8* %0) | 
|  | %incdec.ptr = getelementptr inbounds i8*, i8** %curr.05, i64 1 | 
|  | br i1 %call, label %cleanup.loopexit, label %for.cond | 
|  |  | 
|  | cleanup.loopexit:                                 ; preds = %for.body, %for.cond | 
|  | ; CHECK: [[PHI:%.+]] = phi i64 [ 1, %for.body ], [ 0, %for.cond ] | 
|  | %cleanup.dest.slot.0.ph = phi i1 [ true, %for.body ], [ false, %for.cond ] | 
|  | br label %cleanup | 
|  |  | 
|  | cleanup:                                          ; preds = %cleanup.loopexit, %entry | 
|  | ; CHECK: = phi i64 [ 0, %entry ], [ [[PHI]], %cleanup.loopexit ] | 
|  | %cleanup.dest.slot.0 = phi i1 [ false, %entry ], [ %cleanup.dest.slot.0.ph, %cleanup.loopexit ] | 
|  | ; CHECK: [[REG:%.+]] = trunc i64 {{%.+}} to i1 | 
|  | ; CHECK: call void %cont(i1 [[REG]] | 
|  | tail call void %cont(i1 %cleanup.dest.slot.0) | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; CHECK-LABEL: find_cont_ret | 
|  | define zeroext i1 @find_cont_ret(i8** readonly %begin, i8** readnone %end, i1 (i8*)* nocapture %hasProp, void (i1)* nocapture %cont) { | 
|  | entry: | 
|  | %cmp.4 = icmp eq i8** %begin, %end | 
|  | br i1 %cmp.4, label %cleanup, label %for.body.preheader | 
|  |  | 
|  | for.body.preheader:                               ; preds = %entry | 
|  | br label %for.body | 
|  |  | 
|  | for.cond:                                         ; preds = %for.body | 
|  | %cmp = icmp eq i8** %incdec.ptr, %end | 
|  | br i1 %cmp, label %cleanup.loopexit, label %for.body | 
|  |  | 
|  | for.body:                                         ; preds = %for.body.preheader, %for.cond | 
|  | %curr.05 = phi i8** [ %incdec.ptr, %for.cond ], [ %begin, %for.body.preheader ] | 
|  | %0 = load i8*, i8** %curr.05, align 8 | 
|  | %call = tail call zeroext i1 %hasProp(i8* %0) | 
|  | %incdec.ptr = getelementptr inbounds i8*, i8** %curr.05, i64 1 | 
|  | br i1 %call, label %cleanup.loopexit, label %for.cond | 
|  |  | 
|  | cleanup.loopexit:                                 ; preds = %for.body, %for.cond | 
|  | ; CHECK: [[PHI:%.+]] = phi i64 [ 1, %for.body ], [ 0, %for.cond ] | 
|  | %cleanup.dest.slot.0.ph = phi i1 [ true, %for.body ], [ false, %for.cond ] | 
|  | br label %cleanup | 
|  |  | 
|  | cleanup:                                          ; preds = %cleanup.loopexit, %entry | 
|  | ; CHECK: = phi i64 [ 0, %entry ], [ [[PHI]], %cleanup.loopexit ] | 
|  | %cleanup.dest.slot.0 = phi i1 [ false, %entry ], [ %cleanup.dest.slot.0.ph, %cleanup.loopexit ] | 
|  | ; CHECK: [[REG:%.+]] = trunc i64 {{%.+}} to i1 | 
|  | ; CHECK: call void %cont(i1 [[REG]] | 
|  | tail call void %cont(i1 %cleanup.dest.slot.0) | 
|  | ; CHECK: [[REG:%.+]] = trunc i64 {{%.+}} to i1 | 
|  | ; CHECK: ret i1 [[REG]] | 
|  | ret i1 %cleanup.dest.slot.0 | 
|  | } | 
|  |  | 
|  | ; CHECK-LABEL: arg_operand | 
|  | define zeroext i1 @arg_operand(i1 %operand) { | 
|  | entry: | 
|  | br i1 %operand, label %foo, label %cleanup | 
|  |  | 
|  | foo: | 
|  | br label %cleanup | 
|  |  | 
|  | cleanup: | 
|  | ; CHECK: [[REG:%.+]] = trunc i64 {{%.+}} to i1 | 
|  | ; CHECK: ret i1 [[REG]] | 
|  | %result = phi i1 [ false, %foo ], [ %operand, %entry ] | 
|  | ret i1 %result | 
|  | } | 
|  |  | 
|  | ; CHECK-LABEL: bad_use | 
|  | define zeroext i1 @bad_use(i1 %operand) { | 
|  | entry: | 
|  | br i1 %operand, label %foo, label %cleanup | 
|  |  | 
|  | foo: | 
|  | br label %cleanup | 
|  |  | 
|  | cleanup: | 
|  | ; CHECK: [[REG:%.+]] = phi i1 | 
|  | ; CHECK: ret i1 [[REG]] | 
|  | %result = phi i1 [ false, %foo], [ true, %entry ] | 
|  | %0 = icmp eq i1 %result, %operand | 
|  | ret i1 %result | 
|  | } | 
|  |  | 
|  | ; CHECK-LABEL: bad_use_closure | 
|  | define zeroext i1 @bad_use_closure(i1 %operand) { | 
|  | entry: | 
|  | br i1 %operand, label %foo, label %cleanup | 
|  |  | 
|  | foo: | 
|  | %bar = phi i1 [ false, %entry ] | 
|  | %0 = icmp eq i1 %bar, %operand | 
|  | br label %cleanup | 
|  |  | 
|  | cleanup: | 
|  | ; CHECK: [[REG:%.+]] = phi i1 [ true | 
|  | ; CHECK: ret i1 [[REG]] | 
|  | %result = phi i1 [ true, %entry ], [ %bar, %foo] | 
|  | ret i1 %result | 
|  | } | 
|  |  | 
|  | ; CHECK-LABEL: arg_test | 
|  | define zeroext i1 @arg_test(i1 %operand) { | 
|  | entry: | 
|  | br i1 %operand, label %foo, label %cleanup | 
|  |  | 
|  | foo: | 
|  | %bar = phi i1 [ false, %entry ] | 
|  | br label %cleanup | 
|  |  | 
|  | ; CHECK-LABEL: cleanup | 
|  | cleanup: | 
|  | ; CHECK: [[REG:%.+]] = trunc i64 {{%.+}} to i1 | 
|  | ; CHECK: ret i1 [[REG]] | 
|  | %result = phi i1 [ %bar, %foo], [ %operand, %entry ] | 
|  | ret i1 %result | 
|  | } | 
|  |  | 
|  | declare zeroext i1 @return_i1() | 
|  |  | 
|  | ; CHECK-LABEL: call_test | 
|  | define zeroext i1 @call_test() { | 
|  | ; CHECK: [[REG:%.+]] = call i1 | 
|  | %result = call i1 @return_i1() | 
|  | ; CHECK: [[REG:%.+]] = zext i1 {{%.+}} to i64 | 
|  | ; CHECK: [[REG:%.+]] = trunc i64 {{%.+}} to i1 | 
|  | ; CHECK: ret i1 [[REG]] | 
|  | ret i1 %result | 
|  | } |