20 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; Test that the strlen library call simplifier works correctly.3;4; RUN: opt < %s -passes=instcombine -S | FileCheck %s5 6target 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"7 8@hello = constant [6 x i8] c"hello\00"9 10declare i32 @strlen(ptr, i32)11 12define i32 @test_no_simplify1() {13; CHECK-LABEL: @test_no_simplify1(14; CHECK-NEXT: [[HELLO_L:%.*]] = call i32 @strlen(ptr nonnull @hello, i32 187)15; CHECK-NEXT: ret i32 [[HELLO_L]]16;17 %hello_l = call i32 @strlen(ptr @hello, i32 187)18 ret i32 %hello_l19}20