b280ee1dd7
Another step moving away from the deprecated syntax of specifying pass pipeline in opt. Differential Revision: https://reviews.llvm.org/D119080
52 lines
1.5 KiB
LLVM
52 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=instsimplify -opaque-pointers < %s | FileCheck %s
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declare void @zero_args()
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declare void @two_args(ptr, ptr)
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; TODO: Could be non-null based on call-site attributes.
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define i1 @test_zero_args_nonnull(ptr %p) {
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; CHECK-LABEL: @test_zero_args_nonnull(
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; CHECK-NEXT: call void @zero_args(ptr noundef nonnull [[P:%.*]])
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; CHECK-NEXT: [[C:%.*]] = icmp ne ptr [[P]], null
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; CHECK-NEXT: ret i1 [[C]]
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;
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call void @zero_args(ptr nonnull noundef %p)
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%c = icmp ne ptr %p, null
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ret i1 %c
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}
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define i1 @test_zero_args_maybe_null(ptr %p) {
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; CHECK-LABEL: @test_zero_args_maybe_null(
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; CHECK-NEXT: call void @zero_args(ptr [[P:%.*]])
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; CHECK-NEXT: [[C:%.*]] = icmp ne ptr [[P]], null
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; CHECK-NEXT: ret i1 [[C]]
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;
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call void @zero_args(ptr %p)
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%c = icmp ne ptr %p, null
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ret i1 %c
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}
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; TODO: Could be non-null based on call-site attributes.
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define i1 @test_two_args_nonnull(ptr %p) {
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; CHECK-LABEL: @test_two_args_nonnull(
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; CHECK-NEXT: call void @two_args(ptr noundef nonnull [[P:%.*]])
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; CHECK-NEXT: [[C:%.*]] = icmp ne ptr [[P]], null
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; CHECK-NEXT: ret i1 [[C]]
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;
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call void @two_args(ptr nonnull noundef %p)
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%c = icmp ne ptr %p, null
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ret i1 %c
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}
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define i1 @test_two_args_maybe_null(ptr %p) {
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; CHECK-LABEL: @test_two_args_maybe_null(
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; CHECK-NEXT: call void @two_args(ptr [[P:%.*]])
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; CHECK-NEXT: [[C:%.*]] = icmp ne ptr [[P]], null
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; CHECK-NEXT: ret i1 [[C]]
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;
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call void @two_args(ptr %p)
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%c = icmp ne ptr %p, null
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ret i1 %c
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}
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