73 lines
2 KiB
LLVM
73 lines
2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
|
|
|
|
; RUN: opt -O3 -S < %s | FileCheck %s
|
|
|
|
define internal i32 @loop(ptr %arg, ptr %arg1) {
|
|
bb:
|
|
br label %bb2
|
|
|
|
bb2:
|
|
%phi = phi ptr [ %arg, %bb ], [ %phi8, %bb11 ]
|
|
%phi3 = phi i32 [ 0, %bb ], [ %add, %bb11 ]
|
|
%icmp = icmp ne ptr %arg1, null
|
|
%icmp4 = icmp eq ptr %phi, %arg1
|
|
br i1 %icmp4, label %bb7, label %bb5
|
|
|
|
bb5:
|
|
%getelementptr = getelementptr inbounds i32, ptr %phi, i64 1
|
|
br label %bb7
|
|
|
|
bb7:
|
|
%phi8 = phi ptr [ %phi, %bb2 ], [ %getelementptr, %bb5 ]
|
|
%phi9 = phi ptr [ null, %bb2 ], [ %phi, %bb5 ]
|
|
%icmp10 = icmp eq ptr %phi9, null
|
|
br i1 %icmp10, label %bb12, label %bb11
|
|
|
|
bb11:
|
|
%load = load i32, ptr %phi9, align 4
|
|
%add = add i32 %load, %phi3
|
|
br label %bb2
|
|
|
|
bb12:
|
|
ret i32 %phi3
|
|
}
|
|
|
|
define i32 @using_alloca() {
|
|
; CHECK-LABEL: define noundef i32 @using_alloca
|
|
; CHECK-SAME: () local_unnamed_addr #[[ATTR0:[0-9]+]] {
|
|
; CHECK-NEXT: bb:
|
|
; CHECK-NEXT: ret i32 6
|
|
;
|
|
bb:
|
|
%alloca = alloca [3 x i32], align 4
|
|
store i32 1, ptr %alloca, align 4
|
|
%getelementptr = getelementptr i32, ptr %alloca, i32 1
|
|
store i32 2, ptr %getelementptr, align 4
|
|
%getelementptr1 = getelementptr i32, ptr %alloca, i32 2
|
|
store i32 3, ptr %getelementptr1, align 4
|
|
%getelementptr2 = getelementptr i32, ptr %alloca, i32 3
|
|
%call = call i32 @loop(ptr %alloca, ptr %getelementptr2)
|
|
ret i32 %call
|
|
}
|
|
|
|
define i32 @using_malloc() {
|
|
; CHECK-LABEL: define noundef i32 @using_malloc
|
|
; CHECK-SAME: () local_unnamed_addr #[[ATTR0]] {
|
|
; CHECK-NEXT: bb:
|
|
; CHECK-NEXT: ret i32 6
|
|
;
|
|
bb:
|
|
%alloc = call dereferenceable_or_null(64) ptr @malloc(i64 64)
|
|
store i32 1, ptr %alloc, align 4
|
|
%getelementptr = getelementptr i32, ptr %alloc, i64 1
|
|
store i32 2, ptr %getelementptr, align 4
|
|
%getelementptr1 = getelementptr i32, ptr %alloc, i64 2
|
|
store i32 3, ptr %getelementptr1, align 4
|
|
%getelementptr2 = getelementptr i32, ptr %alloc, i64 3
|
|
%call = call i32 @loop(ptr %alloc, ptr %getelementptr2)
|
|
ret i32 %call
|
|
}
|
|
|
|
declare ptr @malloc(i64)
|
|
|
|
declare void @free(ptr)
|