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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt < %s -passes=inline,simplifycfg -S | FileCheck --check-prefix=CUSTOM %s
; RUN: opt < %s -O2 -S | FileCheck --check-prefix=O2 %s
define internal ptr @bar(ptr %arg, i1 %arg1) {
bb:
br i1 %arg1, label %bb4, label %bb2
bb2:
%i = load ptr, ptr %arg, align 8
%i3 = getelementptr inbounds i8, ptr %i, i64 1
store ptr %i3, ptr %arg, align 8
br label %bb4
bb4:
%i5 = phi ptr [ %i, %bb2 ], [ null, %bb ]
ret ptr %i5
}
define i32 @foo(ptr %arg, i1 %arg1) {
; CUSTOM-LABEL: define i32 @foo(
; CUSTOM-SAME: ptr [[ARG:%.*]], i1 [[ARG1:%.*]]) {
; CUSTOM-NEXT: [[BB:.*:]]
; CUSTOM-NEXT: [[TMP0:%.*]] = xor i1 [[ARG1]], true
; CUSTOM-NEXT: call void @llvm.assume(i1 [[TMP0]])
; CUSTOM-NEXT: [[I_I:%.*]] = load ptr, ptr [[ARG]], align 8
; CUSTOM-NEXT: [[I3_I:%.*]] = getelementptr inbounds i8, ptr [[I_I]], i64 1
; CUSTOM-NEXT: store ptr [[I3_I]], ptr [[ARG]], align 8
; CUSTOM-NEXT: [[I2:%.*]] = icmp ne ptr [[I_I]], null
; CUSTOM-NEXT: call void @llvm.assume(i1 [[I2]])
; CUSTOM-NEXT: [[I3:%.*]] = load i32, ptr [[I_I]], align 4
; CUSTOM-NEXT: ret i32 [[I3]]
;
; O2-LABEL: define i32 @foo(
; O2-SAME: ptr nocapture [[ARG:%.*]], i1 [[ARG1:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] {
; O2-NEXT: [[BB:.*:]]
; O2-NEXT: [[TMP0:%.*]] = xor i1 [[ARG1]], true
; O2-NEXT: tail call void @llvm.assume(i1 [[TMP0]])
; O2-NEXT: [[I_I:%.*]] = load ptr, ptr [[ARG]], align 8, !nonnull [[META0:![0-9]+]], !noundef [[META0]]
; O2-NEXT: [[I3_I:%.*]] = getelementptr inbounds i8, ptr [[I_I]], i64 1
; O2-NEXT: store ptr [[I3_I]], ptr [[ARG]], align 8
; O2-NEXT: [[I3:%.*]] = load i32, ptr [[I_I]], align 4
; O2-NEXT: ret i32 [[I3]]
;
bb:
%i = call ptr @bar(ptr %arg, i1 %arg1)
%i2 = icmp ne ptr %i, null
call void @llvm.assume(i1 %i2)
%i3 = load i32, ptr %i, align 4
ret i32 %i3
}
declare void @llvm.assume(i1)
;.
; O2: [[META0]] = !{}
;.
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