| ; Note the formula for negative number alignment calculation should be y = x & ~(n-1) rather than y = (x + (n-1)) & ~(n-1). |
| ; after patch https://reviews.llvm.org/D34337, we could save 16 bytes in the best case. |
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefix=CHECK-BE |
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefix=CHECK-LE |
| |
| define signext i32 @bar(i32 signext %ii) { |
| entry: |
| %0 = tail call i32 asm sideeffect "add $0, $1, $2\0A", "=r,r,r,~{f14},~{r15},~{v20}"(i32 %ii, i32 10) |
| ret i32 %0 |
| ; Before the fix by patch D34337: |
| ; stdu 1, -544(1) |
| ; std 15, 264(1) |
| ; stfd 14, 400(1) |
| ; stdu 1, -560(1) |
| ; std 15, 280(1) |
| ; stfd 14, 416(1) |
| |
| ; After the fix by patch D34337: |
| ; CHECK-LE: stdu 1, -528(1) |
| ; CHECK-LE:std 15, 248(1) |
| ; CHECK-LE:stfd 14, 384(1) |
| ; CHECK-BE: stdu 1, -544(1) |
| ; CHECK-BE:std 15, 264(1) |
| ; CHECK-BE:stfd 14, 400(1) |
| } |
| |
| define signext i32 @foo() { |
| entry: |
| %call = tail call signext i32 @bar(i32 signext 5) |
| ret i32 %call |
| } |
| |
