forked from OSchip/llvm-project
120 lines
3.5 KiB
LLVM
120 lines
3.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -ipsccp -S | FileCheck %s
|
|
|
|
declare void @use(i1)
|
|
declare i32 @get_i32()
|
|
|
|
define void @load_range(i32* %p) {
|
|
; CHECK-LABEL: @load_range(
|
|
; CHECK-NEXT: [[V:%.*]] = load i32, i32* [[P:%.*]], align 4, !range !0
|
|
; CHECK-NEXT: call void @use(i1 true)
|
|
; CHECK-NEXT: [[C2:%.*]] = icmp ult i32 [[V]], 9
|
|
; CHECK-NEXT: call void @use(i1 [[C2]])
|
|
; CHECK-NEXT: call void @use(i1 false)
|
|
; CHECK-NEXT: [[C4:%.*]] = icmp ugt i32 [[V]], 8
|
|
; CHECK-NEXT: call void @use(i1 [[C4]])
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%v = load i32, i32* %p, !range !{i32 0, i32 10}
|
|
%c1 = icmp ult i32 %v, 10
|
|
call void @use(i1 %c1)
|
|
%c2 = icmp ult i32 %v, 9
|
|
call void @use(i1 %c2)
|
|
%c3 = icmp ugt i32 %v, 9
|
|
call void @use(i1 %c3)
|
|
%c4 = icmp ugt i32 %v, 8
|
|
call void @use(i1 %c4)
|
|
ret void
|
|
}
|
|
|
|
define i32 @load_range_single(i32* %p) {
|
|
; CHECK-LABEL: @load_range_single(
|
|
; CHECK-NEXT: ret i32 0
|
|
;
|
|
%v = load i32, i32* %p, !range !{i32 0, i32 1}
|
|
ret i32 %v
|
|
}
|
|
|
|
define i32 @load_range_single_volatile(i32* %p) {
|
|
; CHECK-LABEL: @load_range_single_volatile(
|
|
; CHECK-NEXT: [[V:%.*]] = load volatile i32, i32* [[P:%.*]], align 4, !range !1
|
|
; CHECK-NEXT: ret i32 [[V]]
|
|
;
|
|
%v = load volatile i32, i32* %p, !range !{i32 0, i32 1}
|
|
ret i32 %v
|
|
}
|
|
|
|
define void @load_nonnull(i32** %p, i32** %p2) {
|
|
; CHECK-LABEL: @load_nonnull(
|
|
; CHECK-NEXT: [[V:%.*]] = load i32*, i32** [[P:%.*]], align 8, !nonnull !2
|
|
; CHECK-NEXT: [[V2:%.*]] = load i32*, i32** [[P2:%.*]], align 8, !nonnull !2
|
|
; CHECK-NEXT: call void @use(i1 true)
|
|
; CHECK-NEXT: call void @use(i1 false)
|
|
; CHECK-NEXT: call void @use(i1 true)
|
|
; CHECK-NEXT: call void @use(i1 false)
|
|
; CHECK-NEXT: [[C5:%.*]] = icmp eq i32* [[V]], [[V2]]
|
|
; CHECK-NEXT: call void @use(i1 [[C5]])
|
|
; CHECK-NEXT: [[C6:%.*]] = icmp ne i32* [[V]], [[V2]]
|
|
; CHECK-NEXT: call void @use(i1 [[C6]])
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%v = load i32*, i32** %p, !nonnull !{}
|
|
%v2 = load i32*, i32** %p2, !nonnull !{}
|
|
%c1 = icmp ne i32* %v, null
|
|
call void @use(i1 %c1)
|
|
%c2 = icmp eq i32* %v, null
|
|
call void @use(i1 %c2)
|
|
%c3 = icmp ne i32* null, %v
|
|
call void @use(i1 %c3)
|
|
%c4 = icmp eq i32* null, %v
|
|
call void @use(i1 %c4)
|
|
; There is no particular relationship between two nonnull values.
|
|
%c5 = icmp eq i32* %v, %v2
|
|
call void @use(i1 %c5)
|
|
%c6 = icmp ne i32* %v, %v2
|
|
call void @use(i1 %c6)
|
|
ret void
|
|
}
|
|
|
|
define void @call_range(i32* %p) {
|
|
; CHECK-LABEL: @call_range(
|
|
; CHECK-NEXT: [[V:%.*]] = call i32 @get_i32(), !range !0
|
|
; CHECK-NEXT: call void @use(i1 true)
|
|
; CHECK-NEXT: [[C2:%.*]] = icmp ult i32 [[V]], 9
|
|
; CHECK-NEXT: call void @use(i1 [[C2]])
|
|
; CHECK-NEXT: call void @use(i1 false)
|
|
; CHECK-NEXT: [[C4:%.*]] = icmp ugt i32 [[V]], 8
|
|
; CHECK-NEXT: call void @use(i1 [[C4]])
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%v = call i32 @get_i32(), !range !{i32 0, i32 10}
|
|
%c1 = icmp ult i32 %v, 10
|
|
call void @use(i1 %c1)
|
|
%c2 = icmp ult i32 %v, 9
|
|
call void @use(i1 %c2)
|
|
%c3 = icmp ugt i32 %v, 9
|
|
call void @use(i1 %c3)
|
|
%c4 = icmp ugt i32 %v, 8
|
|
call void @use(i1 %c4)
|
|
ret void
|
|
}
|
|
|
|
define internal i1 @ip_cmp_range(i32 %v) {
|
|
; CHECK-LABEL: @ip_cmp_range(
|
|
; CHECK-NEXT: ret i1 undef
|
|
;
|
|
%c = icmp ult i32 %v, 10
|
|
ret i1 %c
|
|
}
|
|
|
|
define i1 @ip_load_range(i32* %p) {
|
|
; CHECK-LABEL: @ip_load_range(
|
|
; CHECK-NEXT: [[V:%.*]] = load i32, i32* [[P:%.*]], align 4, !range !0
|
|
; CHECK-NEXT: [[C:%.*]] = call i1 @ip_cmp_range(i32 [[V]])
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%v = load i32, i32* %p, !range !{i32 0, i32 10}
|
|
%c = call i1 @ip_cmp_range(i32 %v)
|
|
ret i1 %c
|
|
}
|