| ; RUN: opt < %s -callsite-splitting -S | FileCheck %s |
| ; RUN: opt < %s -passes='function(callsite-splitting)' -S | FileCheck %s |
| |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64-linaro-linux-gnueabi" |
| |
| ;CHECK-LABEL: @test_eq_eq |
| |
| ;CHECK-LABEL: Header: |
| ;CHECK: br i1 %tobool1, label %Header.split, label %TBB |
| ;CHECK-LABEL: Header.split: |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* null, i32 %v, i32 1) |
| ;CHECK-LABEL: TBB: |
| ;CHECK: br i1 %cmp, label %TBB.split, label %End |
| ;CHECK-LABEL: TBB.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* nonnull %a, i32 1, i32 2) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Header.split ], [ %[[CALL2]], %TBB.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_eq_eq(i32* %a, i32 %v) { |
| Header: |
| %tobool1 = icmp eq i32* %a, null |
| br i1 %tobool1, label %Tail, label %TBB |
| |
| TBB: |
| %cmp = icmp eq i32 %v, 1 |
| br i1 %cmp, label %Tail, label %End |
| |
| Tail: |
| %p = phi i32[1,%Header], [2, %TBB] |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_eq_eq_eq |
| ;CHECK-LABEL: Header2.split: |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* null, i32 %v, i32 10) |
| ;CHECK-LABEL: TBB.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* null, i32 1, i32 %p) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Header2.split ], [ %[[CALL2]], %TBB.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_eq_eq_eq(i32* %a, i32 %v, i32 %p) { |
| Header: |
| %tobool1 = icmp eq i32* %a, null |
| br i1 %tobool1, label %Header2, label %End |
| |
| Header2: |
| %tobool2 = icmp eq i32 %p, 10 |
| br i1 %tobool2, label %Tail, label %TBB |
| |
| TBB: |
| %cmp = icmp eq i32 %v, 1 |
| br i1 %cmp, label %Tail, label %End |
| |
| Tail: |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_eq_eq_eq_constrain_same_i32_arg |
| ;CHECK-LABEL: Header2.split: |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* %a, i32 222, i32 %p) |
| ;CHECK-LABEL: TBB.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* %a, i32 333, i32 %p) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Header2.split ], [ %[[CALL2]], %TBB.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_eq_eq_eq_constrain_same_i32_arg(i32* %a, i32 %v, i32 %p) { |
| Header: |
| %tobool1 = icmp eq i32 %v, 111 |
| br i1 %tobool1, label %Header2, label %End |
| |
| Header2: |
| %tobool2 = icmp eq i32 %v, 222 |
| br i1 %tobool2, label %Tail, label %TBB |
| |
| TBB: |
| %cmp = icmp eq i32 %v, 333 |
| br i1 %cmp, label %Tail, label %End |
| |
| Tail: |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_ne_eq |
| ;CHECK-LABEL: Header.split: |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* nonnull %a, i32 %v, i32 1) |
| ;CHECK-LABEL: TBB.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* null, i32 1, i32 2) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Header.split ], [ %[[CALL2]], %TBB.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_ne_eq(i32* %a, i32 %v) { |
| Header: |
| %tobool1 = icmp ne i32* %a, null |
| br i1 %tobool1, label %Tail, label %TBB |
| |
| TBB: |
| %cmp = icmp eq i32 %v, 1 |
| br i1 %cmp, label %Tail, label %End |
| |
| Tail: |
| %p = phi i32[1,%Header], [2, %TBB] |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_ne_eq_ne |
| ;CHECK-LABEL: Header2.split: |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* nonnull %a, i32 %v, i32 10) |
| ;CHECK-LABEL: TBB.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* nonnull %a, i32 %v, i32 %p) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Header2.split ], [ %[[CALL2]], %TBB.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_ne_eq_ne(i32* %a, i32 %v, i32 %p) { |
| Header: |
| %tobool1 = icmp ne i32* %a, null |
| br i1 %tobool1, label %Header2, label %End |
| |
| Header2: |
| %tobool2 = icmp eq i32 %p, 10 |
| br i1 %tobool2, label %Tail, label %TBB |
| |
| TBB: |
| %cmp = icmp ne i32 %v, 1 |
| br i1 %cmp, label %Tail, label %End |
| |
| Tail: |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_ne_ne |
| ;CHECK-LABEL: Header.split: |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* nonnull %a, i32 %v, i32 1) |
| ;CHECK-LABEL: TBB.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* null, i32 %v, i32 2) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Header.split ], [ %[[CALL2]], %TBB.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_ne_ne(i32* %a, i32 %v) { |
| Header: |
| %tobool1 = icmp ne i32* %a, null |
| br i1 %tobool1, label %Tail, label %TBB |
| |
| TBB: |
| %cmp = icmp ne i32 %v, 1 |
| br i1 %cmp, label %Tail, label %End |
| |
| Tail: |
| %p = phi i32[1,%Header], [2, %TBB] |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_ne_ne_ne_constrain_same_pointer_arg |
| ;CHECK-LABEL: Header2.split: |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* nonnull %a, i32 %v, i32 %p) |
| ;CHECK-LABEL: TBB.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* nonnull %a, i32 %v, i32 %p) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Header2.split ], [ %[[CALL2]], %TBB.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_ne_ne_ne_constrain_same_pointer_arg(i32* %a, i32 %v, i32 %p, i32* %a2, i32* %a3) { |
| Header: |
| %tobool1 = icmp ne i32* %a, null |
| br i1 %tobool1, label %Header2, label %End |
| |
| Header2: |
| %tobool2 = icmp ne i32* %a, %a2 |
| br i1 %tobool2, label %Tail, label %TBB |
| |
| TBB: |
| %cmp = icmp ne i32* %a, %a3 |
| br i1 %cmp, label %Tail, label %End |
| |
| Tail: |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| |
| |
| ;CHECK-LABEL: @test_eq_eq_untaken |
| ;CHECK-LABEL: Header.split: |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* nonnull %a, i32 %v, i32 1) |
| ;CHECK-LABEL: TBB.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* null, i32 1, i32 2) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Header.split ], [ %[[CALL2]], %TBB.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_eq_eq_untaken(i32* %a, i32 %v) { |
| Header: |
| %tobool1 = icmp eq i32* %a, null |
| br i1 %tobool1, label %TBB, label %Tail |
| |
| TBB: |
| %cmp = icmp eq i32 %v, 1 |
| br i1 %cmp, label %Tail, label %End |
| |
| Tail: |
| %p = phi i32[1,%Header], [2, %TBB] |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_eq_eq_eq_untaken |
| ;CHECK-LABEL: Header2.split: |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* nonnull %a, i32 %v, i32 10) |
| ;CHECK-LABEL: TBB.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* nonnull %a, i32 1, i32 %p) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Header2.split ], [ %[[CALL2]], %TBB.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_eq_eq_eq_untaken(i32* %a, i32 %v, i32 %p) { |
| Header: |
| %tobool1 = icmp eq i32* %a, null |
| br i1 %tobool1, label %End, label %Header2 |
| |
| Header2: |
| %tobool2 = icmp eq i32 %p, 10 |
| br i1 %tobool2, label %Tail, label %TBB |
| |
| TBB: |
| %cmp = icmp eq i32 %v, 1 |
| br i1 %cmp, label %Tail, label %End |
| |
| Tail: |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_ne_eq_untaken |
| ;CHECK-LABEL: Header.split: |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* null, i32 %v, i32 1) |
| ;CHECK-LABEL: TBB.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* nonnull %a, i32 1, i32 2) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Header.split ], [ %[[CALL2]], %TBB.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_ne_eq_untaken(i32* %a, i32 %v) { |
| Header: |
| %tobool1 = icmp ne i32* %a, null |
| br i1 %tobool1, label %TBB, label %Tail |
| |
| TBB: |
| %cmp = icmp eq i32 %v, 1 |
| br i1 %cmp, label %Tail, label %End |
| |
| Tail: |
| %p = phi i32[1,%Header], [2, %TBB] |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_ne_eq_ne_untaken |
| ;CHECK-LABEL: Header2.split: |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* null, i32 %v, i32 10) |
| ;CHECK-LABEL: TBB.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* null, i32 %v, i32 %p) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Header2.split ], [ %[[CALL2]], %TBB.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_ne_eq_ne_untaken(i32* %a, i32 %v, i32 %p) { |
| Header: |
| %tobool1 = icmp ne i32* %a, null |
| br i1 %tobool1, label %End, label %Header2 |
| |
| Header2: |
| %tobool2 = icmp eq i32 %p, 10 |
| br i1 %tobool2, label %Tail, label %TBB |
| |
| TBB: |
| %cmp = icmp ne i32 %v, 1 |
| br i1 %cmp, label %Tail, label %End |
| |
| Tail: |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_ne_ne_untaken |
| ;CHECK-LABEL: Header.split: |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* null, i32 %v, i32 1) |
| ;CHECK-LABEL: TBB.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* nonnull %a, i32 1, i32 2) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Header.split ], [ %[[CALL2]], %TBB.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_ne_ne_untaken(i32* %a, i32 %v) { |
| Header: |
| %tobool1 = icmp ne i32* %a, null |
| br i1 %tobool1, label %TBB, label %Tail |
| |
| TBB: |
| %cmp = icmp ne i32 %v, 1 |
| br i1 %cmp, label %End, label %Tail |
| |
| Tail: |
| %p = phi i32[1,%Header], [2, %TBB] |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_nonconst_const_phi |
| ;CHECK-LABEL: Header.split: |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* %a, i32 %v, i32 1) |
| ;CHECK-LABEL: TBB.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* %a, i32 1, i32 2) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Header.split ], [ %[[CALL2]], %TBB.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_nonconst_const_phi(i32* %a, i32* %b, i32 %v) { |
| Header: |
| %tobool1 = icmp eq i32* %a, %b |
| br i1 %tobool1, label %Tail, label %TBB |
| |
| TBB: |
| %cmp = icmp eq i32 %v, 1 |
| br i1 %cmp, label %Tail, label %End |
| |
| Tail: |
| %p = phi i32[1,%Header], [2, %TBB] |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_nonconst_nonconst_phi |
| ;CHECK-LABEL: Header.split: |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* %a, i32 %v, i32 1) |
| ;CHECK-LABEL: TBB.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* %a, i32 %v, i32 2) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL2]], %TBB.split ], [ %[[CALL1]], %Header.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_nonconst_nonconst_phi(i32* %a, i32* %b, i32 %v, i32 %v2) { |
| Header: |
| %tobool1 = icmp eq i32* %a, %b |
| br i1 %tobool1, label %Tail, label %TBB |
| |
| TBB: |
| %cmp = icmp eq i32 %v, %v2 |
| br i1 %cmp, label %Tail, label %End |
| |
| Tail: |
| %p = phi i32[1,%Header], [2, %TBB] |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_cfg_no_or_phi |
| ;CHECK-LABEL: TBB0.split |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* %a, i32 %v, i32 1) |
| ;CHECK-LABEL: TBB1.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* %a, i32 %v, i32 2) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL2]], %TBB1.split ], [ %[[CALL1]], %TBB0.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_cfg_no_or_phi(i32* %a, i32 %v) { |
| entry: |
| br i1 undef, label %TBB0, label %TBB1 |
| TBB0: |
| br i1 undef, label %Tail, label %End |
| TBB1: |
| br i1 undef, label %Tail, label %End |
| Tail: |
| %p = phi i32[1,%TBB0], [2, %TBB1] |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_nonconst_nonconst_phi_noncost |
| ;CHECK-NOT: Header.split: |
| ;CHECK-NOT: TBB.split: |
| ;CHECK-LABEL: Tail: |
| ;CHECK: %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ;CHECK: ret i32 %r |
| define i32 @test_nonconst_nonconst_phi_noncost(i32* %a, i32* %b, i32 %v, i32 %v2) { |
| Header: |
| %tobool1 = icmp eq i32* %a, %b |
| br i1 %tobool1, label %Tail, label %TBB |
| |
| TBB: |
| %cmp = icmp eq i32 %v, %v2 |
| br i1 %cmp, label %Tail, label %End |
| |
| Tail: |
| %p = phi i32[%v,%Header], [%v2, %TBB] |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_3preds_constphi |
| ;CHECK-NOT: Header.split: |
| ;CHECK-NOT: TBB.split: |
| ;CHECK-LABEL: Tail: |
| ;CHECK: %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ;CHECK: ret i32 %r |
| define i32 @test_3preds_constphi(i32* %a, i32 %v, i1 %c1, i1 %c2, i1 %c3) { |
| Header: |
| br i1 %c1, label %Tail, label %TBB1 |
| |
| TBB1: |
| br i1 %c2, label %Tail, label %TBB2 |
| |
| TBB2: |
| br i1 %c3, label %Tail, label %End |
| |
| Tail: |
| %p = phi i32[1,%Header], [2, %TBB1], [3, %TBB2] |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_indirectbr_phi |
| ;CHECK-NOT: Header.split: |
| ;CHECK-NOT: TBB.split: |
| ;CHECK-LABEL: Tail: |
| ;CHECK: %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ;CHECK: ret i32 %r |
| define i32 @test_indirectbr_phi(i8* %address, i32* %a, i32* %b, i32 %v) { |
| Header: |
| %indirect.goto.dest = select i1 undef, i8* blockaddress(@test_indirectbr_phi, %End), i8* %address |
| indirectbr i8* %indirect.goto.dest, [label %TBB, label %Tail] |
| |
| TBB: |
| %indirect.goto.dest2 = select i1 undef, i8* blockaddress(@test_indirectbr_phi, %End), i8* %address |
| indirectbr i8* %indirect.goto.dest2, [label %Tail, label %End] |
| |
| Tail: |
| %p = phi i32[1,%Header], [2, %TBB] |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| |
| End: |
| ret i32 %v |
| } |
| |
| ;CHECK-LABEL: @test_unreachable |
| ;CHECK-LABEL: Header.split: |
| ;CHECK: %[[CALL1:.*]] = call i32 @callee(i32* %a, i32 %v, i32 10) |
| ;CHECK-LABEL: TBB.split: |
| ;CHECK: %[[CALL2:.*]] = call i32 @callee(i32* %a, i32 1, i32 %p) |
| ;CHECK-LABEL: Tail |
| ;CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Header.split ], [ %[[CALL2]], %TBB.split ] |
| ;CHECK: ret i32 %[[MERGED]] |
| define i32 @test_unreachable(i32* %a, i32 %v, i32 %p) { |
| Entry: |
| br label %End |
| Header: |
| %tobool2 = icmp eq i32 %p, 10 |
| br i1 %tobool2, label %Tail, label %TBB |
| TBB: |
| %cmp = icmp eq i32 %v, 1 |
| br i1 %cmp, label %Tail, label %Header |
| Tail: |
| %r = call i32 @callee(i32* %a, i32 %v, i32 %p) |
| ret i32 %r |
| End: |
| ret i32 %v |
| } |
| |
| define i32 @callee(i32* %a, i32 %v, i32 %p) { |
| entry: |
| %c = icmp ne i32* %a, null |
| br i1 %c, label %BB1, label %BB2 |
| |
| BB1: |
| call void @dummy(i32* %a, i32 %p) |
| br label %End |
| |
| BB2: |
| call void @dummy2(i32 %v, i32 %p) |
| br label %End |
| |
| End: |
| ret i32 %p |
| } |
| |
| declare void @dummy(i32*, i32) |
| declare void @dummy2(i32, i32) |
| |
| ; Make sure we remove the non-nullness on constant paramater. |
| ; |
| ;CHECK-LABEL: @caller2 |
| ;CHECK-LABEL: Top1.split: |
| ;CHECK: call i32 @callee(i32* inttoptr (i64 4643 to i32*) |
| define void @caller2(i32 %c, i32* %a_elt, i32* %b_elt) { |
| entry: |
| br label %Top0 |
| |
| Top0: |
| %tobool1 = icmp eq i32* %a_elt, inttoptr (i64 4643 to i32*) |
| br i1 %tobool1, label %Top1, label %NextCond |
| |
| Top1: |
| %tobool2 = icmp ne i32* %a_elt, null |
| br i1 %tobool2, label %CallSiteBB, label %NextCond |
| |
| NextCond: |
| %cmp = icmp ne i32* %b_elt, null |
| br i1 %cmp, label %CallSiteBB, label %End |
| |
| CallSiteBB: |
| call i32 @callee(i32* %a_elt, i32 %c, i32 %c) |
| br label %End |
| |
| End: |
| ret void |
| } |
