llvm-6502/test/Assembler/uselistorder.ll

; RUN: llvm-as < %s -disable-output 2>&1 | FileCheck %s -allow-empty
; CHECK-NOT: error
; CHECK-NOT: warning
; RUN: verify-uselistorder < %s

@a = global [4 x i1] [i1 0, i1 1, i1 0, i1 1]
@b = alias i1* getelementptr ([4 x i1], [4 x i1]* @a, i64 0, i64 2)

; Check use-list order of constants used by globals.
@glob1 = global i5 7
@glob2 = global i5 7
@glob3 = global i5 7

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

exit:
  ret i32 %product

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 }
}

define i1 @loada() {
entry:
  %a = load i1, i1* getelementptr ([4 x i1], [4 x i1]* @a, i64 0, i64 2)
  ret i1 %a
}

uselistorder i5 7, { 1, 0, 2 }
uselistorder i1* getelementptr ([4 x i1], [4 x i1]* @a, i64 0, i64 2), { 1, 0 }