1 ; RUN: llc < %s -march=sparc | FileCheck %s 2 ; RUN: llc -O0 < %s -march=sparc | FileCheck %s 3 4 ;; llc -O0 used to try to spill Y to the stack, which isn't possible, 5 ;; and then crashed. Additionally, in -O1, it would omit the second 6 ;; apparently-redundant wr to %y, which is not actually redundant 7 ;; because the spec says to treat %y as potentially-written by udiv. 8 9 ; CHECK-LABEL: two_divides: 10 ; CHECK: wr %g0, %g0, %y 11 ; CHECK: udiv 12 ; CHECK: wr %g0, %g0, %y 13 ; CHECK: udiv 14 ; CHECK: add 15 16 define i32 @two_divides(i32 %a, i32 %b) { 17 %r = udiv i32 %a, %b 18 %r2 = udiv i32 %b, %a 19 %r3 = add i32 %r, %r2 20 ret i32 %r3 21 } 22
