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