1 ; Test 32-bit atomic additions, z196 version. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s 4 5 ; Check addition of a variable. 6 define i32 @f1(i32 %dummy, i32 *%src, i32 %b) { 7 ; CHECK-LABEL: f1: 8 ; CHECK: laa %r2, %r4, 0(%r3) 9 ; CHECK: br %r14 10 %res = atomicrmw add i32 *%src, i32 %b seq_cst 11 ret i32 %res 12 } 13 14 ; Check addition of 1, which needs a temporary. 15 define i32 @f2(i32 %dummy, i32 *%src) { 16 ; CHECK-LABEL: f2: 17 ; CHECK: lhi [[TMP:%r[0-5]]], 1 18 ; CHECK: laa %r2, [[TMP]], 0(%r3) 19 ; CHECK: br %r14 20 %res = atomicrmw add i32 *%src, i32 1 seq_cst 21 ret i32 %res 22 } 23 24 ; Check the high end of the LAA range. 25 define i32 @f3(i32 %dummy, i32 *%src, i32 %b) { 26 ; CHECK-LABEL: f3: 27 ; CHECK: laa %r2, %r4, 524284(%r3) 28 ; CHECK: br %r14 29 %ptr = getelementptr i32, i32 *%src, i32 131071 30 %res = atomicrmw add i32 *%ptr, i32 %b seq_cst 31 ret i32 %res 32 } 33 34 ; Check the next word up, which needs separate address logic. 35 define i32 @f4(i32 %dummy, i32 *%src, i32 %b) { 36 ; CHECK-LABEL: f4: 37 ; CHECK: agfi %r3, 524288 38 ; CHECK: laa %r2, %r4, 0(%r3) 39 ; CHECK: br %r14 40 %ptr = getelementptr i32, i32 *%src, i32 131072 41 %res = atomicrmw add i32 *%ptr, i32 %b seq_cst 42 ret i32 %res 43 } 44 45 ; Check the low end of the LAA range. 46 define i32 @f5(i32 %dummy, i32 *%src, i32 %b) { 47 ; CHECK-LABEL: f5: 48 ; CHECK: laa %r2, %r4, -524288(%r3) 49 ; CHECK: br %r14 50 %ptr = getelementptr i32, i32 *%src, i32 -131072 51 %res = atomicrmw add i32 *%ptr, i32 %b seq_cst 52 ret i32 %res 53 } 54 55 ; Check the next word down, which needs separate address logic. 56 define i32 @f6(i32 %dummy, i32 *%src, i32 %b) { 57 ; CHECK-LABEL: f6: 58 ; CHECK: agfi %r3, -524292 59 ; CHECK: laa %r2, %r4, 0(%r3) 60 ; CHECK: br %r14 61 %ptr = getelementptr i32, i32 *%src, i32 -131073 62 %res = atomicrmw add i32 *%ptr, i32 %b seq_cst 63 ret i32 %res 64 } 65
