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llvm-mirror/test/Transforms/InstCombine/fortify-folding.ll
Arthur Eubanks 8d9d580ae9 Revert "[BuildLibCalls/SimplifyLibCalls] Fix attributes on created CallInst instructions." 
This reverts commit 1eda5453f2dcc9a9a4b4578fe74163c529974503.

Causes https://crbug.com/1223647:
Incompatible argument and return types for 'returned' attribute
  tail call void @llvm.memset.p0i8.i64(i8* noalias noundef returned writeonly align 1 dereferenceable(255) %arraydecay, i8 0, i64 255, i1 false), !dbg !985
2021-06-24 19:24:34 -07:00

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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
@a = common global [60 x i8] zeroinitializer, align 1
@b = common global [60 x i8] zeroinitializer, align 1
@.str = private constant [12 x i8] c"abcdefghijk\00"
%struct.__va_list_tag = type { i32, i32, i8*, i8* }
define i8* @test_memccpy() {
; CHECK-LABEL: @test_memccpy(
; CHECK-NEXT: [[MEMCCPY:%.*]] = call i8* @memccpy(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), i32 0, i64 60)
; CHECK-NEXT: ret i8* [[MEMCCPY]]
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i8* @__memccpy_chk(i8* %dst, i8* %src, i32 0, i64 60, i64 -1)
ret i8* %ret
}
define i8* @test_not_memccpy() {
; CHECK-LABEL: @test_not_memccpy(
; CHECK-NEXT: [[RET:%.*]] = call i8* @__memccpy_chk(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), i32 0, i64 60, i64 59)
; CHECK-NEXT: ret i8* [[RET]]
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i8* @__memccpy_chk(i8* %dst, i8* %src, i32 0, i64 60, i64 59)
ret i8* %ret
}
define i8* @test_mempcpy() {
; CHECK-LABEL: @test_mempcpy(
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* noundef nonnull align 1 dereferenceable(15) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i8* noundef nonnull align 1 dereferenceable(15) getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), i64 15, i1 false)
; CHECK-NEXT: ret i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 15)
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i8* @__mempcpy_chk(i8* %dst, i8* %src, i64 15, i64 -1)
ret i8* %ret
}
define i8* @test_not_mempcpy() {
; CHECK-LABEL: @test_not_mempcpy(
; CHECK-NEXT: [[RET:%.*]] = call i8* @__mempcpy_chk(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), i64 60, i64 59)
; CHECK-NEXT: ret i8* [[RET]]
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i8* @__mempcpy_chk(i8* %dst, i8* %src, i64 60, i64 59)
ret i8* %ret
}
define i32 @test_snprintf() {
; CHECK-LABEL: @test_snprintf(
; CHECK-NEXT: [[SNPRINTF:%.*]] = call i32 (i8*, i64, i8*, ...) @snprintf(i8* nonnull dereferenceable(1) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i64 60, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0))
; CHECK-NEXT: ret i32 [[SNPRINTF]]
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%fmt = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i32 (i8*, i64, i32, i64, i8*, ...) @__snprintf_chk(i8* %dst, i64 60, i32 0, i64 -1, i8* %fmt)
ret i32 %ret
}
define i32 @test_not_snprintf() {
; CHECK-LABEL: @test_not_snprintf(
; CHECK-NEXT: [[RET:%.*]] = call i32 (i8*, i64, i32, i64, i8*, ...) @__snprintf_chk(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i64 60, i32 0, i64 59, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0))
; CHECK-NEXT: [[IGN:%.*]] = call i32 (i8*, i64, i32, i64, i8*, ...) @__snprintf_chk(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i64 60, i32 1, i64 -1, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0))
; CHECK-NEXT: ret i32 [[RET]]
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%fmt = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i32 (i8*, i64, i32, i64, i8*, ...) @__snprintf_chk(i8* %dst, i64 60, i32 0, i64 59, i8* %fmt)
%ign = call i32 (i8*, i64, i32, i64, i8*, ...) @__snprintf_chk(i8* %dst, i64 60, i32 1, i64 -1, i8* %fmt)
ret i32 %ret
}
define i32 @test_sprintf() {
; CHECK-LABEL: @test_sprintf(
; CHECK-NEXT: [[SPRINTF:%.*]] = call i32 (i8*, i8*, ...) @sprintf(i8* nonnull dereferenceable(1) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i8* nonnull dereferenceable(1) getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0))
; CHECK-NEXT: ret i32 [[SPRINTF]]
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%fmt = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i32 (i8*, i32, i64, i8*, ...) @__sprintf_chk(i8* %dst, i32 0, i64 -1, i8* %fmt)
ret i32 %ret
}
define i32 @test_not_sprintf() {
; CHECK-LABEL: @test_not_sprintf(
; CHECK-NEXT: [[RET:%.*]] = call i32 (i8*, i32, i64, i8*, ...) @__sprintf_chk(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i32 0, i64 59, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0))
; CHECK-NEXT: [[IGNORED:%.*]] = call i32 (i8*, i32, i64, i8*, ...) @__sprintf_chk(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i32 1, i64 -1, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0))
; CHECK-NEXT: ret i32 [[RET]]
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%fmt = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i32 (i8*, i32, i64, i8*, ...) @__sprintf_chk(i8* %dst, i32 0, i64 59, i8* %fmt)
%ignored = call i32 (i8*, i32, i64, i8*, ...) @__sprintf_chk(i8* %dst, i32 1, i64 -1, i8* %fmt)
ret i32 %ret
}
define i8* @test_strcat() {
; CHECK-LABEL: @test_strcat(
; CHECK-NEXT: [[STRCAT:%.*]] = call i8* @strcat(i8* noundef nonnull dereferenceable(1) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i8* noundef nonnull dereferenceable(1) getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0))
; CHECK-NEXT: ret i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0)
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i8* @__strcat_chk(i8* %dst, i8* %src, i64 -1)
ret i8* %ret
}
define i8* @test_not_strcat() {
; CHECK-LABEL: @test_not_strcat(
; CHECK-NEXT: [[RET:%.*]] = call i8* @__strcat_chk(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), i64 0)
; CHECK-NEXT: ret i8* [[RET]]
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i8* @__strcat_chk(i8* %dst, i8* %src, i64 0)
ret i8* %ret
}
define i64 @test_strlcat() {
; CHECK-LABEL: @test_strlcat(
; CHECK-NEXT: [[STRLCAT:%.*]] = call i64 @strlcat(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), i64 22)
; CHECK-NEXT: ret i64 [[STRLCAT]]
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i64 @__strlcat_chk(i8* %dst, i8* %src, i64 22, i64 -1)
ret i64 %ret
}
define i64 @test_not_strlcat() {
; CHECK-LABEL: @test_not_strlcat(
; CHECK-NEXT: [[RET:%.*]] = call i64 @__strlcat_chk(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), i64 22, i64 0)
; CHECK-NEXT: ret i64 [[RET]]
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i64 @__strlcat_chk(i8* %dst, i8* %src, i64 22, i64 0)
ret i64 %ret
}
define i8* @test_strncat() {
; CHECK-LABEL: @test_strncat(
; CHECK-NEXT: [[STRNCAT:%.*]] = call i8* @strncat(i8* noundef nonnull dereferenceable(1) getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i8* noundef nonnull dereferenceable(1) getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), i64 22)
; CHECK-NEXT: ret i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0)
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i8* @__strncat_chk(i8* %dst, i8* %src, i64 22, i64 -1)
ret i8* %ret
}
define i8* @test_not_strncat() {
; CHECK-LABEL: @test_not_strncat(
; CHECK-NEXT: [[RET:%.*]] = call i8* @__strncat_chk(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), i64 22, i64 3)
; CHECK-NEXT: ret i8* [[RET]]
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i8* @__strncat_chk(i8* %dst, i8* %src, i64 22, i64 3)
ret i8* %ret
}
define i64 @test_strlcpy() {
; CHECK-LABEL: @test_strlcpy(
; CHECK-NEXT: [[STRLCPY:%.*]] = call i64 @strlcpy(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), i64 22)
; CHECK-NEXT: ret i64 [[STRLCPY]]
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i64 @__strlcpy_chk(i8* %dst, i8* %src, i64 22, i64 -1)
ret i64 %ret
}
define i64 @test_not_strlcpy() {
; CHECK-LABEL: @test_not_strlcpy(
; CHECK-NEXT: [[RET:%.*]] = call i64 @__strlcpy_chk(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), i64 22, i64 2)
; CHECK-NEXT: ret i64 [[RET]]
;
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i64 @__strlcpy_chk(i8* %dst, i8* %src, i64 22, i64 2)
ret i64 %ret
}
define i32 @test_vsnprintf() {
; CHECK-LABEL: @test_vsnprintf(
; CHECK-NEXT: [[VSNPRINTF:%.*]] = call i32 @vsnprintf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i64 4, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), %struct.__va_list_tag* null)
; CHECK-NEXT: ret i32 [[VSNPRINTF]]
;
; ret i32
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i32 @__vsnprintf_chk(i8* %dst, i64 4, i32 0, i64 -1, i8* %src, %struct.__va_list_tag* null)
ret i32 %ret
}
define i32 @test_not_vsnprintf() {
; CHECK-LABEL: @test_not_vsnprintf(
; CHECK-NEXT: [[RET:%.*]] = call i32 @__vsnprintf_chk(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i64 4, i32 0, i64 3, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), %struct.__va_list_tag* null)
; CHECK-NEXT: [[IGN:%.*]] = call i32 @__vsnprintf_chk(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i64 4, i32 1, i64 -1, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), %struct.__va_list_tag* null)
; CHECK-NEXT: ret i32 [[RET]]
;
; ret i32
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i32 @__vsnprintf_chk(i8* %dst, i64 4, i32 0, i64 3, i8* %src, %struct.__va_list_tag* null)
%ign = call i32 @__vsnprintf_chk(i8* %dst, i64 4, i32 1, i64 -1, i8* %src, %struct.__va_list_tag* null)
ret i32 %ret
}
define i32 @test_vsprintf() {
; CHECK-LABEL: @test_vsprintf(
; CHECK-NEXT: [[VSPRINTF:%.*]] = call i32 @vsprintf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), %struct.__va_list_tag* null)
; CHECK-NEXT: ret i32 [[VSPRINTF]]
;
; ret i32
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i32 @__vsprintf_chk(i8* %dst, i32 0, i64 -1, i8* %src, %struct.__va_list_tag* null)
ret i32 %ret
}
define i32 @test_not_vsprintf() {
; CHECK-LABEL: @test_not_vsprintf(
; CHECK-NEXT: [[RET:%.*]] = call i32 @__vsprintf_chk(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i32 0, i64 3, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), %struct.__va_list_tag* null)
; CHECK-NEXT: [[IGN:%.*]] = call i32 @__vsprintf_chk(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @a, i64 0, i64 0), i32 1, i64 -1, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @b, i64 0, i64 0), %struct.__va_list_tag* null)
; CHECK-NEXT: ret i32 [[RET]]
;
; ret i32
%dst = getelementptr inbounds [60 x i8], [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8], [60 x i8]* @b, i32 0, i32 0
%ret = call i32 @__vsprintf_chk(i8* %dst, i32 0, i64 3, i8* %src, %struct.__va_list_tag* null)
%ign = call i32 @__vsprintf_chk(i8* %dst, i32 1, i64 -1, i8* %src, %struct.__va_list_tag* null)
ret i32 %ret
}
declare i8* @__mempcpy_chk(i8*, i8*, i64, i64)
declare i8* @__memccpy_chk(i8*, i8*, i32, i64, i64)
declare i32 @__snprintf_chk(i8*, i64, i32, i64, i8*, ...)
declare i32 @__sprintf_chk(i8*, i32, i64, i8*, ...)
declare i8* @__strcat_chk(i8*, i8*, i64)
declare i64 @__strlcat_chk(i8*, i8*, i64, i64)
declare i8* @__strncat_chk(i8*, i8*, i64, i64)
declare i64 @__strlcpy_chk(i8*, i8*, i64, i64)
declare i32 @__vsnprintf_chk(i8*, i64, i32, i64, i8*, %struct.__va_list_tag*)
declare i32 @__vsprintf_chk(i8*, i32, i64, i8*, %struct.__va_list_tag*)
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