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llvm-project/llvm/test/Transforms/SCCP/range-attribute.ll
Nikita Popov 03e0be90ca [SCCP] Make use of argument attributes in non-ip SCCP 
Initialize arguments based on attributes instead of hardcoding them
to overdefined. This was already properly done for ipsccp.
2024-08-26 15:09:33 +02:00

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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=ipsccp -S | FileCheck %s --check-prefixes=CHECK,IPSCCP
; RUN: opt < %s -passes=sccp -S | FileCheck %s --check-prefixes=CHECK,SCCP
declare void @use(i1)
declare i32 @get_i32()
define void @range_attribute(i32 range(i32 0, 10) %v) {
; CHECK-LABEL: @range_attribute(
; 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
;
%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 @range_attribute_single(i32 range(i32 0, 1) %v) {
; IPSCCP-LABEL: @range_attribute_single(
; IPSCCP-NEXT: ret i32 0
;
; SCCP-LABEL: @range_attribute_single(
; SCCP-NEXT: ret i32 [[V:%.*]]
;
ret i32 %v
}
define void @call_range_attribute() {
; CHECK-LABEL: @call_range_attribute(
; CHECK-NEXT: [[V:%.*]] = call range(i32 0, 10) i32 @get_i32()
; 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 range(i32 0, 10) i32 @get_i32()
%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
}
declare range(i32 0, 10) i32 @get_i32_in_range()
define void @call_range_result() {
; CHECK-LABEL: @call_range_result(
; CHECK-NEXT: [[V:%.*]] = call i32 @get_i32_in_range()
; 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_in_range()
%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_attribute(i32 %v) {
; IPSCCP-LABEL: @ip_cmp_range_attribute(
; IPSCCP-NEXT: ret i1 poison
;
; SCCP-LABEL: @ip_cmp_range_attribute(
; SCCP-NEXT: [[C:%.*]] = icmp ult i32 [[V:%.*]], 10
; SCCP-NEXT: ret i1 [[C]]
;
%c = icmp ult i32 %v, 10
ret i1 %c
}
define i1 @ip_range_attribute(i32 range(i32 0, 10) %v) {
; IPSCCP-LABEL: @ip_range_attribute(
; IPSCCP-NEXT: [[C:%.*]] = call i1 @ip_cmp_range_attribute(i32 [[V:%.*]])
; IPSCCP-NEXT: ret i1 true
;
; SCCP-LABEL: @ip_range_attribute(
; SCCP-NEXT: [[C:%.*]] = call i1 @ip_cmp_range_attribute(i32 [[V:%.*]])
; SCCP-NEXT: ret i1 [[C]]
;
%c = call i1 @ip_cmp_range_attribute(i32 %v)
ret i1 %c
}
define internal i1 @ip_cmp_range_call(i32 %v) {
; IPSCCP-LABEL: @ip_cmp_range_call(
; IPSCCP-NEXT: ret i1 poison
;
; SCCP-LABEL: @ip_cmp_range_call(
; SCCP-NEXT: [[C:%.*]] = icmp ult i32 [[V:%.*]], 10
; SCCP-NEXT: ret i1 [[C]]
;
%c = icmp ult i32 %v, 10
ret i1 %c
}
define i1 @ip_range_call() {
; IPSCCP-LABEL: @ip_range_call(
; IPSCCP-NEXT: [[V:%.*]] = call range(i32 0, 10) i32 @get_i32()
; IPSCCP-NEXT: [[C:%.*]] = call i1 @ip_cmp_range_call(i32 [[V]])
; IPSCCP-NEXT: ret i1 true
;
; SCCP-LABEL: @ip_range_call(
; SCCP-NEXT: [[V:%.*]] = call range(i32 0, 10) i32 @get_i32()
; SCCP-NEXT: [[C:%.*]] = call i1 @ip_cmp_range_call(i32 [[V]])
; SCCP-NEXT: ret i1 [[C]]
;
%v = call range(i32 0, 10) i32 @get_i32()
%c = call i1 @ip_cmp_range_call(i32 %v)
ret i1 %c
}
define internal i1 @ip_cmp_range_result(i32 %v) {
; IPSCCP-LABEL: @ip_cmp_range_result(
; IPSCCP-NEXT: ret i1 poison
;
; SCCP-LABEL: @ip_cmp_range_result(
; SCCP-NEXT: [[C:%.*]] = icmp ult i32 [[V:%.*]], 10
; SCCP-NEXT: ret i1 [[C]]
;
%c = icmp ult i32 %v, 10
ret i1 %c
}
define i1 @ip_range_result() {
; IPSCCP-LABEL: @ip_range_result(
; IPSCCP-NEXT: [[V:%.*]] = call range(i32 0, 10) i32 @get_i32()
; IPSCCP-NEXT: [[C:%.*]] = call i1 @ip_cmp_range_result(i32 [[V]])
; IPSCCP-NEXT: ret i1 true
;
; SCCP-LABEL: @ip_range_result(
; SCCP-NEXT: [[V:%.*]] = call range(i32 0, 10) i32 @get_i32()
; SCCP-NEXT: [[C:%.*]] = call i1 @ip_cmp_range_result(i32 [[V]])
; SCCP-NEXT: ret i1 [[C]]
;
%v = call range(i32 0, 10) i32 @get_i32()
%c = call i1 @ip_cmp_range_result(i32 %v)
ret i1 %c
}
define internal i1 @ip_cmp_with_range_attribute(i32 range(i32 0, 10) %v) {
; IPSCCP-LABEL: @ip_cmp_with_range_attribute(
; IPSCCP-NEXT: ret i1 poison
;
; SCCP-LABEL: @ip_cmp_with_range_attribute(
; SCCP-NEXT: [[C:%.*]] = icmp eq i32 [[V:%.*]], 5
; SCCP-NEXT: ret i1 [[C]]
;
%c = icmp eq i32 %v, 5
ret i1 %c
}
define i1 @ip_range_attribute_constant() {
; IPSCCP-LABEL: @ip_range_attribute_constant(
; IPSCCP-NEXT: [[C:%.*]] = call i1 @ip_cmp_with_range_attribute(i32 5)
; IPSCCP-NEXT: ret i1 true
;
; SCCP-LABEL: @ip_range_attribute_constant(
; SCCP-NEXT: [[C:%.*]] = call i1 @ip_cmp_with_range_attribute(i32 5)
; SCCP-NEXT: ret i1 [[C]]
;
%c = call i1 @ip_cmp_with_range_attribute(i32 5)
ret i1 %c
}
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