derek.holloway
7502bf64a4
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93 lines
2.6 KiB
LLVM
93 lines
2.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
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; RUN: opt -passes=instcombine -S < %s | FileCheck %s
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declare ptr @g()
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declare ptr @use(ptr)
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define void @call1() {
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; CHECK-LABEL: define void @call1() {
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; CHECK-NEXT: [[A:%.*]] = call ptr @g()
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; CHECK-NEXT: [[B:%.*]] = getelementptr i8, ptr [[A]], i64 4
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; CHECK-NEXT: call void @use(ptr [[B]])
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; CHECK-NEXT: ret void
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;
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%a = call ptr @g()
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%b = getelementptr i8, ptr %a, i64 4
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call void @use(ptr %b)
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ret void
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}
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define void @call2() {
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; CHECK-LABEL: define void @call2() {
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; CHECK-NEXT: [[A:%.*]] = call dereferenceable(8) ptr @g()
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; CHECK-NEXT: [[B:%.*]] = getelementptr inbounds nuw i8, ptr [[A]], i64 4
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; CHECK-NEXT: call void @use(ptr nonnull [[B]])
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; CHECK-NEXT: ret void
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;
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%a = call dereferenceable(8) ptr @g()
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%b = getelementptr i8, ptr %a, i64 4
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call void @use(ptr %b)
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ret void
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}
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define void @call3() {
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; CHECK-LABEL: define void @call3() {
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; CHECK-NEXT: [[A:%.*]] = call dereferenceable_or_null(8) ptr @g()
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; CHECK-NEXT: [[B:%.*]] = getelementptr i8, ptr [[A]], i64 4
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; CHECK-NEXT: call void @use(ptr [[B]])
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; CHECK-NEXT: ret void
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;
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%a = call dereferenceable_or_null(8) ptr @g()
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%b = getelementptr i8, ptr %a, i64 4
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call void @use(ptr %b)
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ret void
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}
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define void @alloca() {
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; CHECK-LABEL: define void @alloca() {
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; CHECK-NEXT: [[A:%.*]] = alloca i64, align 8
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; CHECK-NEXT: [[B:%.*]] = getelementptr inbounds nuw i8, ptr [[A]], i64 4
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; CHECK-NEXT: call void @use(ptr nonnull [[B]])
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; CHECK-NEXT: ret void
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;
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%a = alloca i64
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%b = getelementptr i8, ptr %a, i64 4
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call void @use(ptr %b)
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ret void
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}
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define void @arg1(ptr %a) {
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; CHECK-LABEL: define void @arg1
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; CHECK-SAME: (ptr [[A:%.*]]) {
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; CHECK-NEXT: [[B:%.*]] = getelementptr i8, ptr [[A]], i64 4
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; CHECK-NEXT: call void @use(ptr [[B]])
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; CHECK-NEXT: ret void
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;
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%b = getelementptr i8, ptr %a, i64 4
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call void @use(ptr %b)
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ret void
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}
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define void @arg2(ptr dereferenceable(8) %a) {
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; CHECK-LABEL: define void @arg2
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; CHECK-SAME: (ptr dereferenceable(8) [[A:%.*]]) {
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; CHECK-NEXT: [[B:%.*]] = getelementptr inbounds nuw i8, ptr [[A]], i64 4
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; CHECK-NEXT: call void @use(ptr nonnull [[B]])
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; CHECK-NEXT: ret void
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;
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%b = getelementptr i8, ptr %a, i64 4
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call void @use(ptr %b)
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ret void
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}
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define void @arg3(ptr dereferenceable_or_null(8) %a) {
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; CHECK-LABEL: define void @arg3
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; CHECK-SAME: (ptr dereferenceable_or_null(8) [[A:%.*]]) {
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; CHECK-NEXT: [[B:%.*]] = getelementptr i8, ptr [[A]], i64 4
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; CHECK-NEXT: call void @use(ptr [[B]])
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; CHECK-NEXT: ret void
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;
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%b = getelementptr i8, ptr %a, i64 4
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call void @use(ptr %b)
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ret void
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}
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