| ; RUN: llc < %s -mtriple=sparc | FileCheck %s | |
| ; RUN: llc -O0 < %s -mtriple=sparc | FileCheck %s | |
| ;; llc -O0 used to try to spill Y to the stack, which isn't possible, | |
| ;; and then crashed. Additionally, in -O1, it would omit the second | |
| ;; apparently-redundant wr to %y, which is not actually redundant | |
| ;; because the spec says to treat %y as potentially-written by udiv. | |
| ; CHECK-LABEL: two_divides: | |
| ; CHECK: wr %g0, %g0, %y | |
| ; CHECK: udiv | |
| ; CHECK: wr %g0, %g0, %y | |
| ; CHECK: udiv | |
| ; CHECK: add | |
| define i32 @two_divides(i32 %a, i32 %b) { | |
| %r = udiv i32 %a, %b | |
| %r2 = udiv i32 %b, %a | |
| %r3 = add i32 %r, %r2 | |
| ret i32 %r3 | |
| } |