1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs --version 5
; RUN: opt -passes="ipsccp<func-spec>" -funcspec-min-function-size=1 \
; RUN: -funcspec-for-literal-constant=true \
; RUN: -funcspec-min-codesize-savings=50 \
; RUN: -funcspec-min-latency-savings=50 \
; RUN: -funcspec-max-codesize-growth=1 \
; RUN: -S < %s | FileCheck %s
; Verify that we are able to specialize a function successfully after analysis
; of other specializations that are found to not be profitable.
define void @test_specialize_after_failed_analysis(i32 %n) {
entry:
%notspec0 = call i32 @add(i32 0, i32 %n)
%notspec1 = call i32 @add(i32 1, i32 %n)
%spec = call i32 @add(i32 1, i32 1)
ret void
}
define i32 @add(i32 %x, i32 %y) {
entry:
%res = add i32 %x, %y
ret i32 %res
}
; CHECK-LABEL: define void @test_specialize_after_failed_analysis(
; CHECK-SAME: i32 [[N:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[NOTSPEC0:%.*]] = call i32 @add(i32 0, i32 [[N]])
; CHECK-NEXT: [[NOTSPEC1:%.*]] = call i32 @add(i32 1, i32 [[N]])
; CHECK-NEXT: [[SPEC:%.*]] = call i32 @add.specialized.1(i32 1, i32 1)
; CHECK-NEXT: ret void
;
;
; CHECK-LABEL: define i32 @add(
; CHECK-SAME: i32 [[X:%.*]], i32 [[Y:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[RES:%.*]] = add i32 [[X]], [[Y]]
; CHECK-NEXT: ret i32 [[RES]]
;
;
; CHECK-LABEL: define internal i32 @add.specialized.1(
; CHECK-SAME: i32 [[X:%.*]], i32 [[Y:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: ret i32 poison
;
|
