| ; RUN: llc -mtriple=thumbv7m-eabi %s -o - | FileCheck %s |
| |
| ; See `bti-outliner-cost-1.ll` |
| |
| @a = hidden global i32 0, align 4 |
| @b = hidden global i32 0, align 4 |
| @c = hidden global i32 0, align 4 |
| @d = hidden global i32 0, align 4 |
| @e = hidden global i32 0, align 4 |
| |
| define hidden i32 @x(i32 %p) local_unnamed_addr #0 { |
| entry: |
| %0 = load volatile i32, ptr @a, align 4 |
| %1 = load volatile i32, ptr @b, align 4 |
| %add = add nsw i32 %1, %0 |
| %2 = load volatile i32, ptr @c, align 4 |
| %3 = load volatile i32, ptr @d, align 4 |
| %add1 = add nsw i32 %3, %2 |
| %div = sdiv i32 %add, %add1 |
| %4 = load volatile i32, ptr @e, align 4 |
| %mul = mul nsw i32 %4, %div |
| %add2 = add nsw i32 %mul, 1 |
| ret i32 %add2 |
| } |
| ; CHECK-LABEL: x: |
| ; CHECK-NOT: bl OUTLINED_FUNCTION |
| |
| define hidden i32 @y(i32 %p) local_unnamed_addr #0 { |
| entry: |
| %0 = load volatile i32, ptr @a, align 4 |
| %1 = load volatile i32, ptr @b, align 4 |
| %add = add nsw i32 %1, %0 |
| %2 = load volatile i32, ptr @c, align 4 |
| %3 = load volatile i32, ptr @d, align 4 |
| %add1 = add nsw i32 %3, %2 |
| %div = sdiv i32 %add, %add1 |
| %4 = load volatile i32, ptr @e, align 4 |
| %mul = mul nsw i32 %4, %div |
| %add2 = add nsw i32 %mul, 2 |
| ret i32 %add2 |
| } |
| ; CHECK-LABEL: y: |
| ; CHECK-NOT: bl OUTLINED_FUNCTION |
| |
| ; CHECK-NOT: OUTLINED_FUNCTION |
| |
| attributes #0 = { minsize nofree norecurse nounwind optsize } |
| |
| !llvm.module.flags = !{!0} |
| |
| !0 = !{i32 8, !"branch-target-enforcement", i32 1} |