1 ; Test reading phi instructions. 2 3 ; RUN: %p2i -i %s --insts | FileCheck %s 4 ; RUN: %p2i -i %s --args -notranslate -timing | \ 5 ; RUN: FileCheck --check-prefix=NOIR %s 6 7 ; TODO(kschimpf) Add forward reference examples. 8 9 define internal i32 @testPhi1(i32 %arg) { 10 entry: 11 %cmp1 = icmp sgt i32 %arg, 0 12 br i1 %cmp1, label %next, label %target 13 next: 14 br label %target 15 target: 16 %merge = phi i1 [ %cmp1, %entry ], [ false, %next ] 17 %result = zext i1 %merge to i32 18 ret i32 %result 19 } 20 21 ; CHECK: define internal i32 @testPhi1(i32 %arg) { 22 ; CHECK-NEXT: entry: 23 ; CHECK-NEXT: %cmp1 = icmp sgt i32 %arg, 0 24 ; CHECK-NEXT: br i1 %cmp1, label %next, label %target 25 ; CHECK-NEXT: next: 26 ; CHECK-NEXT: br label %target 27 ; CHECK-NEXT: target: 28 ; CHECK-NEXT: %merge = phi i1 [ %cmp1, %entry ], [ false, %next ] 29 ; CHECK-NEXT: %result = zext i1 %merge to i32 30 ; CHECK-NEXT: ret i32 %result 31 ; CHECK-NEXT: } 32 33 ; NOIR: Total across all functions 34
