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1; Test that the memcpy library call simplifier works correctly.2;3; RUN: opt < %s -passes=instcombine -S | FileCheck %s4 5target 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"6 7declare i8 @memcpy(ptr, ptr, i32)8 9; Check that memcpy functions with the wrong prototype (doesn't return a pointer) aren't simplified.10 11define i8 @test_no_simplify1(ptr %mem1, ptr %mem2, i32 %size) {12; CHECK-LABEL: @test_no_simplify1(13; CHECK-NEXT: [[RET:%.*]] = call i8 @memcpy(ptr %mem1, ptr %mem2, i32 %size)14; CHECK-NEXT: ret i8 [[RET]]15;16 %ret = call i8 @memcpy(ptr %mem1, ptr %mem2, i32 %size)17 ret i8 %ret18}19