forked from OSchip/llvm-project
68 lines
2.0 KiB
LLVM
68 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -passes=instsimplify -S < %s | FileCheck %s
|
|
|
|
@A = linkonce_odr hidden constant { i64, i64 } { i64 2, i64 3 }
|
|
@B = linkonce_odr hidden global { i64, i64 } { i64 2, i64 3 }
|
|
|
|
declare ptr @llvm.strip.invariant.group.p0(ptr %p)
|
|
declare ptr @llvm.launder.invariant.group.p0(ptr %p)
|
|
|
|
define i64 @f() {
|
|
; CHECK-LABEL: @f(
|
|
; CHECK-NEXT: ret i64 3
|
|
;
|
|
%a = call ptr @llvm.strip.invariant.group.p0(ptr @A)
|
|
%b = getelementptr i8, ptr %a, i32 8
|
|
%d = load i64, ptr %b
|
|
ret i64 %d
|
|
}
|
|
|
|
define i64 @g() {
|
|
; CHECK-LABEL: @g(
|
|
; CHECK-NEXT: ret i64 3
|
|
;
|
|
%a = call ptr @llvm.launder.invariant.group.p0(ptr @A)
|
|
%b = getelementptr i8, ptr %a, i32 8
|
|
%d = load i64, ptr %b
|
|
ret i64 %d
|
|
}
|
|
|
|
define i64 @notconstantglobal() {
|
|
; CHECK-LABEL: @notconstantglobal(
|
|
; CHECK-NEXT: [[A:%.*]] = call ptr @llvm.launder.invariant.group.p0(ptr @B)
|
|
; CHECK-NEXT: [[B:%.*]] = getelementptr i8, ptr [[A]], i32 8
|
|
; CHECK-NEXT: [[D:%.*]] = load i64, ptr [[B]], align 4
|
|
; CHECK-NEXT: ret i64 [[D]]
|
|
;
|
|
%a = call ptr @llvm.launder.invariant.group.p0(ptr @B)
|
|
%b = getelementptr i8, ptr %a, i32 8
|
|
%d = load i64, ptr %b
|
|
ret i64 %d
|
|
}
|
|
|
|
define i64 @notconstantgepindex(i32 %i) {
|
|
; CHECK-LABEL: @notconstantgepindex(
|
|
; CHECK-NEXT: [[A:%.*]] = call ptr @llvm.launder.invariant.group.p0(ptr @A)
|
|
; CHECK-NEXT: [[B:%.*]] = getelementptr i8, ptr [[A]], i32 [[I:%.*]]
|
|
; CHECK-NEXT: [[D:%.*]] = load i64, ptr [[B]], align 4
|
|
; CHECK-NEXT: ret i64 [[D]]
|
|
;
|
|
%a = call ptr @llvm.launder.invariant.group.p0(ptr @A)
|
|
%b = getelementptr i8, ptr %a, i32 %i
|
|
%d = load i64, ptr %b
|
|
ret i64 %d
|
|
}
|
|
|
|
define i64 @volatile() {
|
|
; CHECK-LABEL: @volatile(
|
|
; CHECK-NEXT: [[A:%.*]] = call ptr @llvm.launder.invariant.group.p0(ptr @A)
|
|
; CHECK-NEXT: [[B:%.*]] = getelementptr i8, ptr [[A]], i32 8
|
|
; CHECK-NEXT: [[D:%.*]] = load volatile i64, ptr [[B]], align 4
|
|
; CHECK-NEXT: ret i64 [[D]]
|
|
;
|
|
%a = call ptr @llvm.launder.invariant.group.p0(ptr @A)
|
|
%b = getelementptr i8, ptr %a, i32 8
|
|
%d = load volatile i64, ptr %b
|
|
ret i64 %d
|
|
}
|