| ; RUN: llc -march=bpfel -filetype=obj -o - %s | llvm-objdump -d - | FileCheck %s |
| |
| ; Source Code: |
| ; int gbl; |
| ; int test(int a, int b) { |
| ; if (a == 2) { |
| ; gbl = gbl * gbl * 2; |
| ; goto out; |
| ; } |
| ; if (a != b) { |
| ; gbl = gbl * 4; |
| ; } |
| ; out: |
| ; return gbl; |
| ; } |
| |
| @gbl = common local_unnamed_addr global i32 0, align 4 |
| |
| define i32 @test(i32, i32) local_unnamed_addr #0 { |
| %3 = icmp eq i32 %0, 2 |
| br i1 %3, label %4, label %8 |
| |
| ; <label>:4: ; preds = %2 |
| %5 = load i32, i32* @gbl, align 4 |
| %6 = shl i32 %5, 1 |
| %7 = mul i32 %6, %5 |
| br label %13 |
| ; CHECK: r1 <<= 32 |
| ; CHECK: r1 >>= 32 |
| ; CHECK: if r1 != 2 goto +6 <LBB0_2> |
| |
| ; <label>:8: ; preds = %2 |
| %9 = icmp eq i32 %0, %1 |
| %10 = load i32, i32* @gbl, align 4 |
| br i1 %9, label %15, label %11 |
| |
| ; CHECK: r1 = 0 ll |
| ; CHECK: r0 = *(u32 *)(r1 + 0) |
| ; CHECK: r0 *= r0 |
| ; CHECK: r0 <<= 1 |
| ; CHECK: goto +7 <LBB0_4> |
| |
| ; <label>:11: ; preds = %8 |
| %12 = shl nsw i32 %10, 2 |
| br label %13 |
| |
| ; CHECK-LABEL: <LBB0_2>: |
| ; CHECK: r3 = 0 ll |
| ; CHECK: r0 = *(u32 *)(r3 + 0) |
| ; CHECK: r2 <<= 32 |
| ; CHECK: r2 >>= 32 |
| ; CHECK: if r1 == r2 goto +4 <LBB0_5> |
| ; CHECK: r0 <<= 2 |
| |
| ; <label>:13: ; preds = %4, %11 |
| %14 = phi i32 [ %12, %11 ], [ %7, %4 ] |
| store i32 %14, i32* @gbl, align 4 |
| br label %15 |
| ; CHECK-LABEL: <LBB0_4>: |
| ; CHECK: r1 = 0 ll |
| ; CHECK: *(u32 *)(r1 + 0) = r0 |
| |
| ; <label>:15: ; preds = %8, %13 |
| %16 = phi i32 [ %14, %13 ], [ %10, %8 ] |
| ret i32 %16 |
| ; CHECK-LABEL: <LBB0_5>: |
| ; CHECK: exit |
| } |
| attributes #0 = { norecurse nounwind } |