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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
declare i8* @memrchr(i8*, i32, i32)
define i8* @test1(i8* %str, i32 %c, i32 %n) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[RET:%.*]] = call i8* @memrchr(i8* [[STR:%.*]], i32 [[C:%.*]], i32 [[N:%.*]])
; CHECK-NEXT: ret i8* [[RET]]
;
%ret = call i8* @memrchr(i8* %str, i32 %c, i32 %n)
ret i8* %ret
}
define i8* @test2(i8* %str, i32 %c, i32 %n) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[RET:%.*]] = call i8* @memrchr(i8* nonnull [[STR:%.*]], i32 [[C:%.*]], i32 [[N:%.*]])
; CHECK-NEXT: ret i8* [[RET]]
;
%ret = call i8* @memrchr(i8* nonnull %str, i32 %c, i32 %n)
ret i8* %ret
}
define i8* @test3(i8* %str, i32 %c) {
; CHECK-LABEL: @test3(
; CHECK-NEXT: [[RET:%.*]] = call i8* @memrchr(i8* [[STR:%.*]], i32 [[C:%.*]], i32 5)
; CHECK-NEXT: ret i8* [[RET]]
;
%ret = call i8* @memrchr(i8* %str, i32 %c, i32 5)
ret i8* %ret
}
define i8* @test4(i8* %str, i32 %c) null_pointer_is_valid {
; CHECK-LABEL: @test4(
; CHECK-NEXT: [[RET:%.*]] = call i8* @memrchr(i8* [[STR:%.*]], i32 [[C:%.*]], i32 5)
; CHECK-NEXT: ret i8* [[RET]]
;
%ret = call i8* @memrchr(i8* %str, i32 %c, i32 5)
ret i8* %ret
}
define i8* @test5(i8* %str, i32 %c) {
; CHECK-LABEL: @test5(
; CHECK-NEXT: [[RET:%.*]] = call i8* @memrchr(i8* [[STR:%.*]], i32 [[C:%.*]], i32 0)
; CHECK-NEXT: ret i8* [[RET]]
;
%ret = call i8* @memrchr(i8* %str, i32 %c, i32 0)
ret i8* %ret
}
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