llvm/llvm/test/Transforms/InstCombine/memset-2.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; Test that the memset library call simplifier works correctly.
;
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"

declare i8 @memset(ptr, i32, i32)

; Check that memset functions with the wrong prototype aren't simplified.

define i8 @test_no_simplify1(ptr %mem, i32 %val, i32 %size) {
; CHECK-LABEL: @test_no_simplify1(
; CHECK-NEXT:    [[RET:%.*]] = call i8 @memset(ptr [[MEM:%.*]], i32 [[VAL:%.*]], i32 [[SIZE:%.*]])
; CHECK-NEXT:    ret i8 [[RET]]
;
  %ret = call i8 @memset(ptr %mem, i32 %val, i32 %size)
  ret i8 %ret
}