| ; RUN: opt < %s -loop-reduce -S | grep phi | count 2 |
| ; PR 2779 |
| |
| ; Provide legal integer types. |
| target datalayout = "n8:16:32:64" |
| |
| @g_19 = common global i32 0 ; <ptr> [#uses=3] |
| @"\01LC" = internal constant [4 x i8] c"%d\0A\00" ; <ptr> [#uses=1] |
| |
| define i32 @func_8(i8 zeroext %p_9) nounwind { |
| entry: |
| ret i32 1 |
| } |
| |
| define i32 @func_3(i8 signext %p_5) nounwind { |
| entry: |
| ret i32 1 |
| } |
| |
| define void @func_1() nounwind { |
| entry: |
| br label %bb |
| |
| bb: ; preds = %bb, %entry |
| %indvar = phi i16 [ 0, %entry ], [ %indvar.next, %bb ] ; <i16> [#uses=2] |
| %tmp = sub i16 0, %indvar ; <i16> [#uses=1] |
| %tmp27 = trunc i16 %tmp to i8 ; <i8> [#uses=1] |
| load i32, ptr @g_19, align 4 ; <i32>:0 [#uses=2] |
| add i32 %0, 1 ; <i32>:1 [#uses=1] |
| store i32 %1, ptr @g_19, align 4 |
| trunc i32 %0 to i8 ; <i8>:2 [#uses=1] |
| tail call i32 @func_8( i8 zeroext %2 ) nounwind ; <i32>:3 [#uses=0] |
| shl i8 %tmp27, 2 ; <i8>:4 [#uses=1] |
| add i8 %4, -112 ; <i8>:5 [#uses=1] |
| tail call i32 @func_3( i8 signext %5 ) nounwind ; <i32>:6 [#uses=0] |
| %indvar.next = add i16 %indvar, 1 ; <i16> [#uses=2] |
| %exitcond = icmp eq i16 %indvar.next, -28 ; <i1> [#uses=1] |
| br i1 %exitcond, label %return, label %bb |
| |
| return: ; preds = %bb |
| ret void |
| } |
| |
| define i32 @main() nounwind { |
| entry: |
| tail call void @func_1( ) nounwind |
| load i32, ptr @g_19, align 4 ; <i32>:0 [#uses=1] |
| tail call i32 (ptr, ...) @printf( ptr @"\01LC", i32 %0 ) nounwind ; <i32>:1 [#uses=0] |
| ret i32 0 |
| } |
| |
| declare i32 @printf(ptr, ...) nounwind |