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[InstCombine] Use update_test_checks to regenerate the ctpop test. NFC

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303659 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2017-05-23 17:20:18 +00:00
parent e065977c4b
commit 7cc1d8ceff
1 changed files with 18 additions and 9 deletions
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27
test/Transforms/InstCombine/ctpop.ll
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@ -1,3 +1,4 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -S -instcombine | FileCheck %s
declare i32 @llvm.ctpop.i32(i32)
@ -5,8 +6,9 @@ declare i8 @llvm.ctpop.i8(i8)
declare void @llvm.assume(i1)
define i1 @test1(i32 %arg) {
; CHECK: @test1
; CHECK: ret i1 false
; CHECK-LABEL: @test1(
; CHECK-NEXT: ret i1 false
;
%and = and i32 %arg, 15
%cnt = call i32 @llvm.ctpop.i32(i32 %and)
%res = icmp eq i32 %cnt, 9
@ -14,8 +16,9 @@ define i1 @test1(i32 %arg) {
}
define i1 @test2(i32 %arg) {
; CHECK: @test2
; CHECK: ret i1 false
; CHECK-LABEL: @test2(
; CHECK-NEXT: ret i1 false
;
%and = and i32 %arg, 1
%cnt = call i32 @llvm.ctpop.i32(i32 %and)
%res = icmp eq i32 %cnt, 2
@ -23,9 +26,12 @@ define i1 @test2(i32 %arg) {
}
define i1 @test3(i32 %arg) {
; CHECK: @test3
; CHECK: ret i1 false
;; Use an assume to make all the bits known without triggering constant
; CHECK-LABEL: @test3(
; CHECK-NEXT: [[ASSUME:%.*]] = icmp eq i32 [[ARG:%.*]], 0
; CHECK-NEXT: call void @llvm.assume(i1 [[ASSUME]])
; CHECK-NEXT: ret i1 false
;
;; Use an assume to make all the bits known without triggering constant
;; folding. This is trying to hit a corner case where we have to avoid
;; taking the log of 0.
%assume = icmp eq i32 %arg, 0
@ -37,8 +43,11 @@ define i1 @test3(i32 %arg) {
; Negative test for when we know nothing
define i1 @test4(i8 %arg) {
; CHECK: @test4
; CHECK: ret i1 %res
; CHECK-LABEL: @test4(
; CHECK-NEXT: [[CNT:%.*]] = call i8 @llvm.ctpop.i8(i8 [[ARG:%.*]])
; CHECK-NEXT: [[RES:%.*]] = icmp eq i8 [[CNT]], 2
; CHECK-NEXT: ret i1 [[RES]]
;
%cnt = call i8 @llvm.ctpop.i8(i8 %arg)
%res = icmp eq i8 %cnt, 2
ret i1 %res