| ; Test 32-bit atomic NANDs. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s |
| |
| ; Check NANDs of a variable. |
| define i32 @f1(i32 %dummy, ptr %src, i32 %b) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: l %r2, 0(%r3) |
| ; CHECK: [[LABEL:\.[^ ]*]]: |
| ; CHECK: lr %r0, %r2 |
| ; CHECK: nr %r0, %r4 |
| ; CHECK: xilf %r0, 4294967295 |
| ; CHECK: cs %r2, %r0, 0(%r3) |
| ; CHECK: jl [[LABEL]] |
| ; CHECK: br %r14 |
| %res = atomicrmw nand ptr %src, i32 %b seq_cst |
| ret i32 %res |
| } |
| |
| ; Check NANDs with different constant operands. |
| define i32 @f2(i32 %dummy, ptr %src) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: l %r2, 0(%r3) |
| ; CHECK: [[LABEL:\.[^ ]*]]: |
| ; CHECK: lr %r0, %r2 |
| ; CHECK: xilf %r0, 4294967295 |
| ; CHECK: oilf %r0, 4294967294 |
| ; CHECK: cs %r2, %r0, 0(%r3) |
| ; CHECK: jl [[LABEL]] |
| ; CHECK: br %r14 |
| %res = atomicrmw nand ptr %src, i32 1 seq_cst |
| ret i32 %res |
| } |
| |
| define i32 @f3(i32 %dummy, ptr %src) { |
| ; CHECK-LABEL: f3: |
| ; CHECK: xilf %r0, 4294967295 |
| ; CHECK: oilh %r0, 65535 |
| ; CHECK: br %r14 |
| %res = atomicrmw nand ptr %src, i32 65535 seq_cst |
| ret i32 %res |
| } |
| |
| define i32 @f4(i32 %dummy, ptr %src) { |
| ; CHECK-LABEL: f4: |
| ; CHECK: xilf %r0, 4294967295 |
| ; CHECK: oilf %r0, 4294901759 |
| ; CHECK: br %r14 |
| %res = atomicrmw nand ptr %src, i32 65536 seq_cst |
| ret i32 %res |
| } |
| |
| define i32 @f5(i32 %dummy, ptr %src) { |
| ; CHECK-LABEL: f5: |
| ; CHECK: xilf %r0, 4294967295 |
| ; CHECK: oill %r0, 1 |
| ; CHECK: br %r14 |
| %res = atomicrmw nand ptr %src, i32 -2 seq_cst |
| ret i32 %res |
| } |
| |
| define i32 @f6(i32 %dummy, ptr %src) { |
| ; CHECK-LABEL: f6: |
| ; CHECK: xilf %r0, 4294967295 |
| ; CHECK: oill %r0, 65535 |
| ; CHECK: br %r14 |
| %res = atomicrmw nand ptr %src, i32 -65536 seq_cst |
| ret i32 %res |
| } |
| |
| define i32 @f7(i32 %dummy, ptr %src) { |
| ; CHECK-LABEL: f7: |
| ; CHECK: xilf %r0, 4294967295 |
| ; CHECK: oilh %r0, 1 |
| ; CHECK: br %r14 |
| %res = atomicrmw nand ptr %src, i32 -65537 seq_cst |
| ret i32 %res |
| } |
| |
| define i32 @f8(i32 %dummy, ptr %src) { |
| ; CHECK-LABEL: f8: |
| ; CHECK: xilf %r0, 4294967295 |
| ; CHECK: oilf %r0, 65537 |
| ; CHECK: br %r14 |
| %res = atomicrmw nand ptr %src, i32 -65538 seq_cst |
| ret i32 %res |
| } |