| David Majnemer | bae9457 | 2016-01-07 19:25:39 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -S -ipsccp | FileCheck %s |
| 2 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 3 | target triple = "x86_64-unknown-linux-gnu" |
| 4 | |
| 5 | define void @fn2() { |
| 6 | entry: |
| 7 | br label %if.end |
| 8 | |
| 9 | for.cond1: ; preds = %if.end, %for.end |
| 10 | br i1 undef, label %if.end, label %if.end |
| 11 | |
| 12 | if.end: ; preds = %lbl, %for.cond1 |
| 13 | %e.2 = phi i32* [ undef, %entry ], [ null, %for.cond1 ], [ null, %for.cond1 ] |
| 14 | %0 = load i32, i32* %e.2, align 4 |
| 15 | %call = call i32 @fn1(i32 %0) |
| 16 | br label %for.cond1 |
| 17 | } |
| 18 | |
| 19 | define internal i32 @fn1(i32 %p1) { |
| 20 | entry: |
| 21 | %tobool = icmp ne i32 %p1, 0 |
| 22 | %cond = select i1 %tobool, i32 %p1, i32 %p1 |
| 23 | ret i32 %cond |
| 24 | } |
| 25 | |
| 26 | ; CHECK-LABEL: define void @fn2( |
| 27 | ; CHECK: call i32 @fn1(i32 undef) |
| 28 | |
| 29 | ; CHECK-LABEL: define internal i32 @fn1( |
| 30 | ; CHECK:%[[COND:.*]] = select i1 undef, i32 undef, i32 undef |
| 31 | ; CHECK: ret i32 %[[COND]] |