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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=ipsccp -S | FileCheck %s
declare void @use(i1)
declare i32 @get_i32()
define void @load_range(ptr %p) {
; CHECK-LABEL: @load_range(
; CHECK-NEXT: [[V:%.*]] = load i32, ptr [[P:%.*]], align 4, !range [[RNG0:![0-9]+]]
; 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, ptr %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(ptr %p) {
; CHECK-LABEL: @load_range_single(
; CHECK-NEXT: ret i32 0
;
%v = load i32, ptr %p, !range !{i32 0, i32 1}
ret i32 %v
}
define i32 @load_range_single_volatile(ptr %p) {
; CHECK-LABEL: @load_range_single_volatile(
; CHECK-NEXT: [[V:%.*]] = load volatile i32, ptr [[P:%.*]], align 4, !range [[RNG1:![0-9]+]]
; CHECK-NEXT: ret i32 [[V]]
;
%v = load volatile i32, ptr %p, !range !{i32 0, i32 1}
ret i32 %v
}
define void @load_nonnull(ptr %p, ptr %p2) {
; CHECK-LABEL: @load_nonnull(
; CHECK-NEXT: [[V:%.*]] = load ptr, ptr [[P:%.*]], align 8, !nonnull [[META2:![0-9]+]]
; CHECK-NEXT: [[V2:%.*]] = load ptr, ptr [[P2:%.*]], align 8, !nonnull [[META2]]
; 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 ptr [[V]], [[V2]]
; CHECK-NEXT: call void @use(i1 [[C5]])
; CHECK-NEXT: [[C6:%.*]] = icmp ne ptr [[V]], [[V2]]
; CHECK-NEXT: call void @use(i1 [[C6]])
; CHECK-NEXT: ret void
;
%v = load ptr, ptr %p, !nonnull !{}
%v2 = load ptr, ptr %p2, !nonnull !{}
%c1 = icmp ne ptr %v, null
call void @use(i1 %c1)
%c2 = icmp eq ptr %v, null
call void @use(i1 %c2)
%c3 = icmp ne ptr null, %v
call void @use(i1 %c3)
%c4 = icmp eq ptr null, %v
call void @use(i1 %c4)
; There is no particular relationship between two nonnull values.
%c5 = icmp eq ptr %v, %v2
call void @use(i1 %c5)
%c6 = icmp ne ptr %v, %v2
call void @use(i1 %c6)
ret void
}
define void @call_range(ptr %p) {
; CHECK-LABEL: @call_range(
; CHECK-NEXT: [[V:%.*]] = call i32 @get_i32(), !range [[RNG0]]
; 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 poison
;
%c = icmp ult i32 %v, 10
ret i1 %c
}
define i1 @ip_load_range(ptr %p) {
; CHECK-LABEL: @ip_load_range(
; CHECK-NEXT: [[V:%.*]] = load i32, ptr [[P:%.*]], align 4, !range [[RNG0]]
; CHECK-NEXT: [[C:%.*]] = call i1 @ip_cmp_range(i32 [[V]])
; CHECK-NEXT: ret i1 true
;
%v = load i32, ptr %p, !range !{i32 0, i32 10}
%c = call i1 @ip_cmp_range(i32 %v)
ret i1 %c
}
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