+; REQUIRES: asserts
; RUN: opt -loop-unswitch -disable-output -stats -info-output-file - < %s | FileCheck --check-prefix=STATS %s
-; RUN: opt -S -loop-unswitch -verify-loop-info -verify-dom-info %s | FileCheck %s
+; RUN: opt -S -loop-unswitch -verify-loop-info -verify-dom-info < %s | FileCheck %s
; STATS: 1 loop-simplify - Number of pre-header or exit blocks inserted
; STATS: 2 loop-unswitch - Number of switches unswitched
; CHECK-NEXT: br label %loop_begin.us
; CHECK: loop_begin.us: ; preds = %loop_begin.backedge.us, %.split.us
-; CHECK-NEXT: %var_val.us = load i32* %var
+; CHECK-NEXT: %var_val.us = load i32, i32* %var
; CHECK-NEXT: switch i32 1, label %default.us-lcssa.us [
; CHECK-NEXT: i32 1, label %inc.us
; CHECK: inc.us: ; preds = %loop_begin.us
-; CHECK-NEXT: call void @incf() noreturn nounwind
+; CHECK-NEXT: call void @incf() [[NOR_NUW:#[0-9]+]]
; CHECK-NEXT: br label %loop_begin.backedge.us
; CHECK: .split: ; preds = %..split_crit_edge
; CHECK-NEXT: br label %loop_begin.us1
; CHECK: loop_begin.us1: ; preds = %loop_begin.backedge.us5, %.split.split.us
-; CHECK-NEXT: %var_val.us2 = load i32* %var
+; CHECK-NEXT: %var_val.us2 = load i32, i32* %var
; CHECK-NEXT: switch i32 2, label %default.us-lcssa.us-lcssa.us [
; CHECK-NEXT: i32 1, label %inc.us4
; CHECK-NEXT: i32 2, label %dec.us3
; CHECK-NEXT: ]
; CHECK: dec.us3: ; preds = %loop_begin.us1
-; CHECK-NEXT: call void @decf() noreturn nounwind
+; CHECK-NEXT: call void @decf() [[NOR_NUW]]
; CHECK-NEXT: br label %loop_begin.backedge.us5
; CHECK: .split.split: ; preds = %.split..split.split_crit_edge
; CHECK-NEXT: br label %loop_begin
; CHECK: loop_begin: ; preds = %loop_begin.backedge, %.split.split
-; CHECK-NEXT: %var_val = load i32* %var
+; CHECK-NEXT: %var_val = load i32, i32* %var
; CHECK-NEXT: switch i32 %c, label %default.us-lcssa.us-lcssa [
; CHECK-NEXT: i32 1, label %inc
; CHECK-NEXT: i32 2, label %dec
define i32 @test(i32* %var) {
%mem = alloca i32
store i32 2, i32* %mem
- %c = load i32* %mem
+ %c = load i32, i32* %mem
br label %loop_begin
loop_begin:
- %var_val = load i32* %var
+ %var_val = load i32, i32* %var
switch i32 %c, label %default [
i32 1, label %inc
declare void @incf() noreturn
declare void @decf() noreturn
+
+; CHECK: attributes #0 = { noreturn }
+; CHECK: attributes [[NOR_NUW]] = { noreturn nounwind }