| ; RUN: llc < %s -mcpu=z196 -mtriple=s390x-linux-gnu -O0 \ |
| ; RUN: -stop-before=regallocfast 2>&1 | FileCheck %s |
| ; RUN: llc < %s -mcpu=z196 -mtriple=s390x-linux-gnu -O3 \ |
| ; RUN: -stop-before=livevars 2>&1 | FileCheck %s |
| ; |
| ; Test that copies to/from access registers are handled before regalloc with |
| ; GR32 regs. |
| |
| @x = dso_local thread_local global i32 0, align 4 |
| define weak_odr hidden i32* @fun0() { |
| ; CHECK: name: fun0 |
| ; CHECK: {{%[0-9]+}}:gr32bit = EAR $a0 |
| ; CHECK: {{%[0-9]+}}:gr32bit = EAR $a1 |
| ret i32* @x |
| } |
| |
| define i32 @fun1() { |
| ; CHECK: name: fun1 |
| ; CHECK: [[VREG0:%[0-9]+]]:gr32bit = COPY %0 |
| ; CHECK-NEXT: $a1 = SAR [[VREG0]] |
| ; CHECK: {{%[0-9]+}}:gr32bit = EAR $a0 |
| %val = call i32 asm "blah", "={a0}, {a1}" (i32 0) |
| ret i32 %val |
| } |