| ; RUN: opt -passes=ipsccp -S %s -o -| FileCheck %s |
| |
| define void @caller.1(i8* %arg) { |
| ; CHECK-LABEL: define void @caller.1(i8* %arg) { |
| ; CHECK-NEXT: %r.1 = tail call i32 @callee.1(i32 4) |
| ; CHECK-NEXT: %r.2 = tail call i32 @callee.1(i32 2) |
| ; CHECK-NEXT: call void @use(i32 20) |
| ; CHECK-NEXT: ret void |
| ; |
| %r.1 = tail call i32 @callee.1(i32 4) |
| %r.2 = tail call i32 @callee.1(i32 2) |
| %r.3 = add i32 %r.1, %r.2 |
| call void @use(i32 %r.3) |
| ret void |
| } |
| |
| define internal i32 @callee.1(i32 %arg) { |
| ; CHECK-LABEL: define internal i32 @callee.1(i32 %arg) { |
| ; CHECK-NEXT: %sel = select i1 false, i32 16, i32 %arg |
| ; CHECK-NEXT: br label %bb10 |
| ; |
| ; CHECK-LABEL: bb10: |
| ; CHECK-NEXT: ret i32 undef |
| ; |
| %c.1 = icmp slt i32 %arg, 0 |
| %sel = select i1 %c.1, i32 16, i32 %arg |
| %c.2 = icmp eq i32 %sel, 0 |
| br i1 %c.2, label %bb12, label %bb10 |
| |
| bb10: ; preds = %bb8 |
| ret i32 10 |
| |
| bb12: ; preds = %bb8, %bb3, %bb |
| ret i32 12 |
| } |
| |
| declare void @use(i32) |
| |
| define internal i1 @f1(i32 %x, i32 %y, i1 %cmp) { |
| ; CHECK-LABEL: define internal i1 @f1(i32 %x, i32 %y, i1 %cmp) { |
| ; CHECK-NEXT: %sel.1 = select i1 %cmp, i32 %x, i32 %y |
| ; CHECK-NEXT: %c.2 = icmp sgt i32 %sel.1, 100 |
| ; CHECK-NEXT: %c.3 = icmp eq i32 %sel.1, 50 |
| ; CHECK-NEXT: %res.1 = add i1 false, %c.2 |
| ; CHECK-NEXT: %res.2 = add i1 %res.1, %c.3 |
| ; CHECK-NEXT: %res.3 = add i1 %res.2, false |
| ; CHECK-NEXT: ret i1 %res.3 |
| ; |
| %sel.1 = select i1 %cmp, i32 %x, i32 %y |
| %c.1 = icmp sgt i32 %sel.1, 300 |
| %c.2 = icmp sgt i32 %sel.1, 100 |
| %c.3 = icmp eq i32 %sel.1, 50 |
| %c.4 = icmp slt i32 %sel.1, 9 |
| %res.1 = add i1 %c.1, %c.2 |
| %res.2 = add i1 %res.1, %c.3 |
| %res.3 = add i1 %res.2, %c.4 |
| ret i1 %res.3 |
| } |
| |
| define i1 @caller1(i1 %cmp) { |
| ; CHECK-LABEL: define i1 @caller1(i1 %cmp) { |
| ; CHECK-NEXT: %call.1 = tail call i1 @f1(i32 10, i32 100, i1 %cmp) |
| ; CHECK-NEXT: %call.2 = tail call i1 @f1(i32 20, i32 200, i1 %cmp) |
| ; CHECK-NEXT: %res = and i1 %call.1, %call.2 |
| ; CHECK-NEXT: ret i1 %res |
| ; |
| %call.1 = tail call i1 @f1(i32 10, i32 100, i1 %cmp) |
| %call.2 = tail call i1 @f1(i32 20, i32 200, i1 %cmp) |
| %res = and i1 %call.1, %call.2 |
| ret i1 %res |
| } |
| |
| |
| define i1 @f2(i32 %x, i32 %y, i1 %cmp) { |
| ; CHECK-LABEL: define i1 @f2(i32 %x, i32 %y, i1 %cmp) { |
| ; CHECK-NEXT: %sel.1 = select i1 %cmp, i32 %x, i32 %y |
| ; CHECK-NEXT: %c.1 = icmp sgt i32 %sel.1, 300 |
| ; CHECK-NEXT: %c.2 = icmp sgt i32 %sel.1, 100 |
| ; CHECK-NEXT: %c.3 = icmp eq i32 %sel.1, 50 |
| ; CHECK-NEXT: %c.4 = icmp slt i32 %sel.1, 9 |
| ; CHECK-NEXT: %res.1 = add i1 %c.1, %c.2 |
| ; CHECK-NEXT: %res.2 = add i1 %res.1, %c.3 |
| ; CHECK-NEXT: %res.3 = add i1 %res.2, %c.4 |
| ; CHECK-NEXT: ret i1 %res.3 |
| ; |
| %sel.1 = select i1 %cmp, i32 %x, i32 %y |
| %c.1 = icmp sgt i32 %sel.1, 300 |
| %c.2 = icmp sgt i32 %sel.1, 100 |
| %c.3 = icmp eq i32 %sel.1, 50 |
| %c.4 = icmp slt i32 %sel.1, 9 |
| %res.1 = add i1 %c.1, %c.2 |
| %res.2 = add i1 %res.1, %c.3 |
| %res.3 = add i1 %res.2, %c.4 |
| ret i1 %res.3 |
| } |
| |
| define i1 @caller2(i32 %y, i1 %cmp) { |
| ; CHECK-LABEL: define i1 @caller2(i32 %y, i1 %cmp) { |
| ; CHECK-NEXT: %call.1 = tail call i1 @f2(i32 10, i32 %y, i1 %cmp) |
| ; CHECK-NEXT: %call.2 = tail call i1 @f2(i32 20, i32 %y, i1 %cmp) |
| ; CHECK-NEXT: %res = and i1 %call.1, %call.2 |
| ; CHECK-NEXT: ret i1 %res |
| ; |
| %call.1 = tail call i1 @f2(i32 10, i32 %y, i1 %cmp) |
| %call.2 = tail call i1 @f2(i32 20, i32 %y, i1 %cmp) |
| %res = and i1 %call.1, %call.2 |
| ret i1 %res |
| } |
| |
| @GV = common global i32 0, align 4 |
| |
| define i32 @f3_constantexpr_cond(i32 %x, i32 %y) { |
| ; CHECK-LABEL: define i32 @f3_constantexpr_cond(i32 %x, i32 %y) |
| ; CHECK-NEXT: %sel.1 = select i1 icmp eq (i32* bitcast (i32 (i32, i32)* @f3_constantexpr_cond to i32*), i32* @GV), i32 %x, i32 %y |
| ; CHECK-NEXT: ret i32 %sel.1 |
| ; |
| %sel.1 = select i1 icmp eq (i32* bitcast (i32 (i32, i32)* @f3_constantexpr_cond to i32*), i32* @GV), i32 %x, i32 %y |
| ret i32 %sel.1 |
| } |
| |
| define i32 @caller3(i32 %y) { |
| ; CHECK-LABEL: define i32 @caller3(i32 %y) { |
| ; CHECK-NEXT: %call.1 = tail call i32 @f3_constantexpr_cond(i32 10, i32 %y) |
| ; CHECK-NEXT: %call.2 = tail call i32 @f3_constantexpr_cond(i32 20, i32 %y) |
| ; CHECK-NEXT: %res = and i32 %call.1, %call.2 |
| ; CHECK-NEXT: ret i32 %res |
| ; |
| %call.1 = tail call i32 @f3_constantexpr_cond(i32 10, i32 %y) |
| %call.2 = tail call i32 @f3_constantexpr_cond(i32 20, i32 %y) |
| %res = and i32 %call.1, %call.2 |
| ret i32 %res |
| } |