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