mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 03:02:36 +01:00
56ea569496
Implement `uselistorder` and `uselistorder_bb` assembly directives, which allow the use-list order to be recovered when round-tripping to assembly. This is the bulk of PR20515. llvm-svn: 216025
38 lines
838 B
LLVM
38 lines
838 B
LLVM
; RUN: not llvm-as < %s -disable-output 2>&1 | FileCheck %s
|
|
; CHECK: error: expected uselistorder directive
|
|
|
|
define i32 @f32(i32 %a, i32 %b, i32 %c, i32 %d) {
|
|
entry:
|
|
br label %first
|
|
|
|
; <label 0>:
|
|
%eh = mul i32 %e, %1
|
|
%sum = add i32 %eh, %ef
|
|
br label %preexit
|
|
|
|
preexit:
|
|
%product = phi i32 [%ef, %first], [%sum, %0]
|
|
%backto0 = icmp slt i32 %product, -9
|
|
br i1 %backto0, label %0, label %exit
|
|
|
|
first:
|
|
%e = add i32 %a, 7
|
|
%f = add i32 %b, 7
|
|
%g = add i32 %c, 8
|
|
%1 = add i32 %d, 8
|
|
%ef = mul i32 %e, %f
|
|
%g1 = mul i32 %g, %1
|
|
%goto0 = icmp slt i32 %g1, -9
|
|
br i1 %goto0, label %0, label %preexit
|
|
|
|
; uselistorder directives
|
|
uselistorder i32 7, { 1, 0 }
|
|
uselistorder i32 %1, { 1, 0 }
|
|
uselistorder i32 %e, { 1, 0 }
|
|
uselistorder label %0, { 1, 0 }
|
|
uselistorder label %preexit, { 1, 0 }
|
|
|
|
exit:
|
|
ret i32 %product
|
|
}
|