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[InstCombine] regenerate checks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@268244 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjay Patel
parent
1893130a0c
commit
5d85cb4598
@ -1,3 +1,4 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; Test that the memchr library call simplifier works correctly.
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; RUN: opt < %s -instcombine -S | FileCheck %s
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@ -15,11 +16,10 @@ target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f3
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declare i8* @memchr(i8*, i32, i32)
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define void @test1() {
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; CHECK-LABEL: @test1
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; CHECK: store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @hello, i32 0, i32 6)
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; CHECK-NOT: call i8* @memchr
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; CHECK: ret void
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @hello, i32 0, i32 6), i8** @chp, align 4
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; CHECK-NEXT: ret void
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;
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%str = getelementptr [14 x i8], [14 x i8]* @hello, i32 0, i32 0
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%dst = call i8* @memchr(i8* %str, i32 119, i32 14)
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store i8* %dst, i8** @chp
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@ -27,11 +27,10 @@ define void @test1() {
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}
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define void @test2() {
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; CHECK-LABEL: @test2
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; CHECK: store i8* null, i8** @chp, align 4
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; CHECK-NOT: call i8* @memchr
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; CHECK: ret void
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: store i8* null, i8** @chp, align 4
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; CHECK-NEXT: ret void
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;
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%str = getelementptr [1 x i8], [1 x i8]* @null, i32 0, i32 0
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%dst = call i8* @memchr(i8* %str, i32 119, i32 1)
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store i8* %dst, i8** @chp
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@ -39,11 +38,10 @@ define void @test2() {
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}
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define void @test3() {
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; CHECK-LABEL: @test3
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; CHECK: store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @hello, i32 0, i32 13)
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; CHECK-NOT: call i8* @memchr
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; CHECK: ret void
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @hello, i32 0, i32 13), i8** @chp, align 4
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; CHECK-NEXT: ret void
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;
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%src = getelementptr [14 x i8], [14 x i8]* @hello, i32 0, i32 0
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%dst = call i8* @memchr(i8* %src, i32 0, i32 14)
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store i8* %dst, i8** @chp
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@ -51,11 +49,11 @@ define void @test3() {
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}
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define void @test4(i32 %chr) {
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; CHECK-LABEL: @test4
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; CHECK: call i8* @memchr
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; CHECK-NOT: call i8* @memchr
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; CHECK: ret void
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: [[DST:%.*]] = call i8* @memchr(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @hello, i32 0, i32 0), i32 %chr, i32 14)
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; CHECK-NEXT: store i8* [[DST]], i8** @chp, align 4
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; CHECK-NEXT: ret void
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;
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%src = getelementptr [14 x i8], [14 x i8]* @hello, i32 0, i32 0
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%dst = call i8* @memchr(i8* %src, i32 %chr, i32 14)
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store i8* %dst, i8** @chp
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@ -63,11 +61,10 @@ define void @test4(i32 %chr) {
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}
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define void @test5() {
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; CHECK-LABEL: @test5
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; CHECK: store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @hello, i32 0, i32 13)
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; CHECK-NOT: call i8* @memchr
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; CHECK: ret void
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; CHECK-LABEL: @test5(
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; CHECK-NEXT: store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @hello, i32 0, i32 13), i8** @chp, align 4
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; CHECK-NEXT: ret void
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;
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%src = getelementptr [14 x i8], [14 x i8]* @hello, i32 0, i32 0
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%dst = call i8* @memchr(i8* %src, i32 65280, i32 14)
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store i8* %dst, i8** @chp
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@ -75,11 +72,10 @@ define void @test5() {
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}
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define void @test6() {
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; CHECK-LABEL: @test6
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; CHECK: store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @hello, i32 0, i32 6)
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; CHECK-NOT: call i8* @memchr
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; CHECK: ret void
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; CHECK-LABEL: @test6(
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; CHECK-NEXT: store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @hello, i32 0, i32 6), i8** @chp, align 4
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; CHECK-NEXT: ret void
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;
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%src = getelementptr [14 x i8], [14 x i8]* @hello, i32 0, i32 0
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; Overflow, but we still find the right thing.
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%dst = call i8* @memchr(i8* %src, i32 119, i32 100)
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@ -88,11 +84,10 @@ define void @test6() {
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}
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define void @test7() {
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; CHECK-LABEL: @test7
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; CHECK: store i8* null, i8** @chp, align 4
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; CHECK-NOT: call i8* @memchr
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; CHECK: ret void
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; CHECK-LABEL: @test7(
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; CHECK-NEXT: store i8* null, i8** @chp, align 4
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; CHECK-NEXT: ret void
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;
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%src = getelementptr [14 x i8], [14 x i8]* @hello, i32 0, i32 0
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; Overflow
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%dst = call i8* @memchr(i8* %src, i32 120, i32 100)
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@ -101,11 +96,10 @@ define void @test7() {
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}
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define void @test8() {
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; CHECK-LABEL: @test8
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; CHECK: store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @hellonull, i32 0, i32 6)
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; CHECK-NOT: call i8* @memchr
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; CHECK: ret void
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; CHECK-LABEL: @test8(
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; CHECK-NEXT: store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @hellonull, i32 0, i32 6), i8** @chp, align 4
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; CHECK-NEXT: ret void
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;
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%str = getelementptr [14 x i8], [14 x i8]* @hellonull, i32 0, i32 0
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%dst = call i8* @memchr(i8* %str, i32 119, i32 14)
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store i8* %dst, i8** @chp
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@ -113,11 +107,10 @@ define void @test8() {
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}
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define void @test9() {
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; CHECK-LABEL: @test9
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; CHECK: store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @hellonull, i32 0, i32 6)
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; CHECK-NOT: call i8* @memchr
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; CHECK: ret void
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; CHECK-LABEL: @test9(
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; CHECK-NEXT: store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @hellonull, i32 0, i32 6), i8** @chp, align 4
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; CHECK-NEXT: ret void
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;
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%str = getelementptr [14 x i8], [14 x i8]* @hellonull, i32 0, i32 2
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%dst = call i8* @memchr(i8* %str, i32 119, i32 12)
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store i8* %dst, i8** @chp
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@ -125,11 +118,10 @@ define void @test9() {
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}
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define void @test10() {
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; CHECK-LABEL: @test10
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; CHECK: store i8* null, i8** @chp, align 4
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; CHECK-NOT: call i8* @memchr
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; CHECK: ret void
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; CHECK-LABEL: @test10(
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; CHECK-NEXT: store i8* null, i8** @chp, align 4
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; CHECK-NEXT: ret void
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;
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%str = getelementptr [14 x i8], [14 x i8]* @hello, i32 0, i32 0
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%dst = call i8* @memchr(i8* %str, i32 119, i32 6)
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store i8* %dst, i8** @chp
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@ -138,15 +130,15 @@ define void @test10() {
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; Check transformation memchr("\r\n", C, 2) != nullptr -> (C & 9216) != 0
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define i1 @test11(i32 %C) {
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; CHECK-LABEL: @test11
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; CHECK-NEXT: [[TRUNC:%.*]] = trunc i32 %C to i16
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; CHECK-NEXT: %memchr.bounds = icmp ult i16 [[TRUNC]], 16
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; CHECK-NEXT: [[SHL:%.*]] = shl i16 1, [[TRUNC]]
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; CHECK-NEXT: [[AND:%.*]] = and i16 [[SHL]], 9216
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; CHECK-NEXT: %memchr.bits = icmp ne i16 [[AND]], 0
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; CHECK-NEXT: %memchr = and i1 %memchr.bounds, %memchr.bits
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; CHECK-NEXT: ret i1 %memchr
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; CHECK-LABEL: @test11(
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; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 %C to i16
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; CHECK-NEXT: [[MEMCHR_BOUNDS:%.*]] = icmp ult i16 [[TMP1]], 16
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; CHECK-NEXT: [[TMP2:%.*]] = shl i16 1, [[TMP1]]
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; CHECK-NEXT: [[TMP3:%.*]] = and i16 [[TMP2]], 9216
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; CHECK-NEXT: [[MEMCHR_BITS:%.*]] = icmp ne i16 [[TMP3]], 0
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; CHECK-NEXT: [[MEMCHR:%.*]] = and i1 [[MEMCHR:%.*]].bounds, [[MEMCHR:%.*]].bits
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; CHECK-NEXT: ret i1 [[MEMCHR]]
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;
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%dst = call i8* @memchr(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @newlines, i64 0, i64 0), i32 %C, i32 2)
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%cmp = icmp ne i8* %dst, null
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ret i1 %cmp
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@ -154,46 +146,46 @@ define i1 @test11(i32 %C) {
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; No 64 bits here
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define i1 @test12(i32 %C) {
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; CHECK-LABEL: @test12
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; CHECK-NEXT: %dst = call i8* @memchr(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @spaces, i32 0, i32 0), i32 %C, i32 3)
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; CHECK-NEXT: %cmp = icmp ne i8* %dst, null
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; CHECK-NEXT: ret i1 %cmp
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; CHECK-LABEL: @test12(
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; CHECK-NEXT: [[DST:%.*]] = call i8* @memchr(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @spaces, i32 0, i32 0), i32 %C, i32 3)
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; CHECK-NEXT: [[CMP:%.*]] = icmp ne i8* [[DST]], null
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%dst = call i8* @memchr(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @spaces, i64 0, i64 0), i32 %C, i32 3)
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%cmp = icmp ne i8* %dst, null
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ret i1 %cmp
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}
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define i1 @test13(i32 %C) {
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; CHECK-LABEL: @test13
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; CHECK-NEXT: %memchr.bounds = icmp ult i32 %C, 32
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; CHECK-NEXT: [[SHL:%.*]] = shl i32 1, %C
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; CHECK-NEXT: [[AND:%.*]] = and i32 [[SHL]], -2147483647
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; CHECK-NEXT: %memchr.bits = icmp ne i32 [[AND]], 0
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; CHECK-NEXT: %memchr = and i1 %memchr.bounds, %memchr.bits
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; CHECK-NEXT: ret i1 %memchr
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; CHECK-LABEL: @test13(
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; CHECK-NEXT: [[MEMCHR_BOUNDS:%.*]] = icmp ult i32 %C, 32
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; CHECK-NEXT: [[TMP1:%.*]] = shl i32 1, %C
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; CHECK-NEXT: [[TMP2:%.*]] = and i32 [[TMP1]], -2147483647
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; CHECK-NEXT: [[MEMCHR_BITS:%.*]] = icmp ne i32 [[TMP2]], 0
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; CHECK-NEXT: [[MEMCHR:%.*]] = and i1 [[MEMCHR:%.*]].bounds, [[MEMCHR:%.*]].bits
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; CHECK-NEXT: ret i1 [[MEMCHR]]
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;
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%dst = call i8* @memchr(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @single, i64 0, i64 0), i32 %C, i32 2)
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%cmp = icmp ne i8* %dst, null
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ret i1 %cmp
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}
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define i1 @test14(i32 %C) {
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; CHECK-LABEL: @test14
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; CHECK-NEXT: icmp eq i32 %C, 31
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; CHECK-NEXT: ret
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; CHECK-LABEL: @test14(
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; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i32 %C, 31
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; CHECK-NEXT: ret i1 [[TMP1]]
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;
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%dst = call i8* @memchr(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @single, i64 0, i64 0), i32 %C, i32 1)
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%cmp = icmp ne i8* %dst, null
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ret i1 %cmp
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}
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define i1 @test15(i32 %C) {
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; CHECK-LABEL: @test15
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; CHECK-NEXT: %dst = call i8* @memchr(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @negative, i32 0, i32 0), i32 %C, i32 3)
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; CHECK-NEXT: %cmp = icmp ne i8* %dst, null
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; CHECK-NEXT: ret i1 %cmp
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; CHECK-LABEL: @test15(
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; CHECK-NEXT: [[DST:%.*]] = call i8* @memchr(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @negative, i32 0, i32 0), i32 %C, i32 3)
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; CHECK-NEXT: [[CMP:%.*]] = icmp ne i8* [[DST]], null
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%dst = call i8* @memchr(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @negative, i64 0, i64 0), i32 %C, i32 3)
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%cmp = icmp ne i8* %dst, null
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ret i1 %cmp
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