1*9880d681SAndroid Build Coastguard Worker; Test the "Q" asm constraint, which accepts addresses that have a base 2*9880d681SAndroid Build Coastguard Worker; and a 12-bit displacement. 3*9880d681SAndroid Build Coastguard Worker; 4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu -no-integrated-as | FileCheck %s 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker; Check the lowest range. 7*9880d681SAndroid Build Coastguard Workerdefine void @f1(i64 %base) { 8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1: 9*9880d681SAndroid Build Coastguard Worker; CHECK: blah 0(%r2) 10*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 11*9880d681SAndroid Build Coastguard Worker %addr = inttoptr i64 %base to i64 * 12*9880d681SAndroid Build Coastguard Worker call void asm "blah $0", "=*Q" (i64 *%addr) 13*9880d681SAndroid Build Coastguard Worker ret void 14*9880d681SAndroid Build Coastguard Worker} 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Worker; Check the next lowest byte. 17*9880d681SAndroid Build Coastguard Workerdefine void @f2(i64 %base) { 18*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2: 19*9880d681SAndroid Build Coastguard Worker; CHECK: aghi %r2, -1 20*9880d681SAndroid Build Coastguard Worker; CHECK: blah 0(%r2) 21*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 22*9880d681SAndroid Build Coastguard Worker %add = add i64 %base, -1 23*9880d681SAndroid Build Coastguard Worker %addr = inttoptr i64 %add to i64 * 24*9880d681SAndroid Build Coastguard Worker call void asm "blah $0", "=*Q" (i64 *%addr) 25*9880d681SAndroid Build Coastguard Worker ret void 26*9880d681SAndroid Build Coastguard Worker} 27*9880d681SAndroid Build Coastguard Worker 28*9880d681SAndroid Build Coastguard Worker; Check the highest range. 29*9880d681SAndroid Build Coastguard Workerdefine void @f3(i64 %base) { 30*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f3: 31*9880d681SAndroid Build Coastguard Worker; CHECK: blah 4095(%r2) 32*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 33*9880d681SAndroid Build Coastguard Worker %add = add i64 %base, 4095 34*9880d681SAndroid Build Coastguard Worker %addr = inttoptr i64 %add to i64 * 35*9880d681SAndroid Build Coastguard Worker call void asm "blah $0", "=*Q" (i64 *%addr) 36*9880d681SAndroid Build Coastguard Worker ret void 37*9880d681SAndroid Build Coastguard Worker} 38*9880d681SAndroid Build Coastguard Worker 39*9880d681SAndroid Build Coastguard Worker; Check the next highest byte. 40*9880d681SAndroid Build Coastguard Workerdefine void @f4(i64 %base) { 41*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f4: 42*9880d681SAndroid Build Coastguard Worker; CHECK: aghi %r2, 4096 43*9880d681SAndroid Build Coastguard Worker; CHECK: blah 0(%r2) 44*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 45*9880d681SAndroid Build Coastguard Worker %add = add i64 %base, 4096 46*9880d681SAndroid Build Coastguard Worker %addr = inttoptr i64 %add to i64 * 47*9880d681SAndroid Build Coastguard Worker call void asm "blah $0", "=*Q" (i64 *%addr) 48*9880d681SAndroid Build Coastguard Worker ret void 49*9880d681SAndroid Build Coastguard Worker} 50*9880d681SAndroid Build Coastguard Worker 51*9880d681SAndroid Build Coastguard Worker; Check that indices aren't allowed 52*9880d681SAndroid Build Coastguard Workerdefine void @f5(i64 %base, i64 %index) { 53*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f5: 54*9880d681SAndroid Build Coastguard Worker; CHECK: agr %r2, %r3 55*9880d681SAndroid Build Coastguard Worker; CHECK: blah 0(%r2) 56*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 57*9880d681SAndroid Build Coastguard Worker %add = add i64 %base, %index 58*9880d681SAndroid Build Coastguard Worker %addr = inttoptr i64 %add to i64 * 59*9880d681SAndroid Build Coastguard Worker call void asm "blah $0", "=*Q" (i64 *%addr) 60*9880d681SAndroid Build Coastguard Worker ret void 61*9880d681SAndroid Build Coastguard Worker} 62