1*9880d681SAndroid Build Coastguard Worker; Test that the toascii library call simplifier works correctly. 2*9880d681SAndroid Build Coastguard Worker; 3*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | FileCheck %s 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workertarget 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*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Workerdeclare i32 @toascii(i32) 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Worker; Check isascii(c) -> c & 0x7f. 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerdefine i32 @test_simplify1() { 12*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test_simplify1( 13*9880d681SAndroid Build Coastguard Worker %ret = call i32 @toascii(i32 0) 14*9880d681SAndroid Build Coastguard Worker ret i32 %ret 15*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret i32 0 16*9880d681SAndroid Build Coastguard Worker} 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Workerdefine i32 @test_simplify2() { 19*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test_simplify2( 20*9880d681SAndroid Build Coastguard Worker %ret = call i32 @toascii(i32 1) 21*9880d681SAndroid Build Coastguard Worker ret i32 %ret 22*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret i32 1 23*9880d681SAndroid Build Coastguard Worker} 24*9880d681SAndroid Build Coastguard Worker 25*9880d681SAndroid Build Coastguard Workerdefine i32 @test_simplify3() { 26*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test_simplify3( 27*9880d681SAndroid Build Coastguard Worker %ret = call i32 @toascii(i32 127) 28*9880d681SAndroid Build Coastguard Worker ret i32 %ret 29*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret i32 127 30*9880d681SAndroid Build Coastguard Worker} 31*9880d681SAndroid Build Coastguard Worker 32*9880d681SAndroid Build Coastguard Workerdefine i32 @test_simplify4() { 33*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test_simplify4( 34*9880d681SAndroid Build Coastguard Worker %ret = call i32 @toascii(i32 128) 35*9880d681SAndroid Build Coastguard Worker ret i32 %ret 36*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret i32 0 37*9880d681SAndroid Build Coastguard Worker} 38*9880d681SAndroid Build Coastguard Worker 39*9880d681SAndroid Build Coastguard Workerdefine i32 @test_simplify5() { 40*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test_simplify5( 41*9880d681SAndroid Build Coastguard Worker %ret = call i32 @toascii(i32 255) 42*9880d681SAndroid Build Coastguard Worker ret i32 %ret 43*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret i32 127 44*9880d681SAndroid Build Coastguard Worker} 45*9880d681SAndroid Build Coastguard Worker 46*9880d681SAndroid Build Coastguard Workerdefine i32 @test_simplify6() { 47*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test_simplify6( 48*9880d681SAndroid Build Coastguard Worker %ret = call i32 @toascii(i32 256) 49*9880d681SAndroid Build Coastguard Worker ret i32 %ret 50*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret i32 0 51*9880d681SAndroid Build Coastguard Worker} 52*9880d681SAndroid Build Coastguard Worker 53*9880d681SAndroid Build Coastguard Workerdefine i32 @test_simplify7(i32 %x) { 54*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test_simplify7( 55*9880d681SAndroid Build Coastguard Worker %ret = call i32 @toascii(i32 %x) 56*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: [[AND:%[a-z0-9]+]] = and i32 %x, 127 57*9880d681SAndroid Build Coastguard Worker ret i32 %ret 58*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret i32 [[AND]] 59*9880d681SAndroid Build Coastguard Worker} 60