1; Test that the toascii library call simplifier works correctly. 2; 3; RUN: opt < %s -instcombine -S | FileCheck %s 4 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 i32 @toascii(i32) 8 9; Check isascii(c) -> c & 0x7f. 10 11define i32 @test_simplify1() { 12; CHECK-LABEL: @test_simplify1( 13 %ret = call i32 @toascii(i32 0) 14 ret i32 %ret 15; CHECK-NEXT: ret i32 0 16} 17 18define i32 @test_simplify2() { 19; CHECK-LABEL: @test_simplify2( 20 %ret = call i32 @toascii(i32 1) 21 ret i32 %ret 22; CHECK-NEXT: ret i32 1 23} 24 25define i32 @test_simplify3() { 26; CHECK-LABEL: @test_simplify3( 27 %ret = call i32 @toascii(i32 127) 28 ret i32 %ret 29; CHECK-NEXT: ret i32 127 30} 31 32define i32 @test_simplify4() { 33; CHECK-LABEL: @test_simplify4( 34 %ret = call i32 @toascii(i32 128) 35 ret i32 %ret 36; CHECK-NEXT: ret i32 0 37} 38 39define i32 @test_simplify5() { 40; CHECK-LABEL: @test_simplify5( 41 %ret = call i32 @toascii(i32 255) 42 ret i32 %ret 43; CHECK-NEXT: ret i32 127 44} 45 46define i32 @test_simplify6() { 47; CHECK-LABEL: @test_simplify6( 48 %ret = call i32 @toascii(i32 256) 49 ret i32 %ret 50; CHECK-NEXT: ret i32 0 51} 52 53define i32 @test_simplify7(i32 %x) { 54; CHECK-LABEL: @test_simplify7( 55 %ret = call i32 @toascii(i32 %x) 56; CHECK-NEXT: [[AND:%[a-z0-9]+]] = and i32 %x, 127 57 ret i32 %ret 58; CHECK-NEXT: ret i32 [[AND]] 59} 60