xref: /llvm-project/llvm/test/Transforms/GVN/merge-range.ll (revision 4377656f2419a8eb18c01e86929b689dcf22b5d6)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
2; RUN: opt -passes=gvn -S < %s | FileCheck %s
3
4define i8 @foo(ptr %arg, i8 %arg1) {
5; CHECK-LABEL: define i8 @foo(
6; CHECK-SAME: ptr [[ARG:%.*]], i8 [[ARG1:%.*]]) {
7; CHECK-NEXT:  [[BB:.*:]]
8; CHECK-NEXT:    [[I:%.*]] = load i8, ptr [[ARG]], align 1, !range [[RNG0:![0-9]+]]
9; CHECK-NEXT:    [[I3:%.*]] = add i8 [[I]], [[I]]
10; CHECK-NEXT:    ret i8 [[I3]]
11;
12bb:
13  %i = load i8, ptr %arg, align 1, !range !{i8 127, i8 -20}
14  %i2 = load i8, ptr %arg, align 1, !range !{i8 -27, i8 -24, i8 -20, i8 -17}
15  %i3 = add i8 %i, %i2
16  ret i8 %i3
17}
18;.
19; CHECK: [[RNG0]] = !{i8 127, i8 -17}
20;.
21