| ; Test handling of call instructions. |
| |
| ; RUN: llvm-as < %s | pnacl-freeze -allow-local-symbol-tables \ |
| ; RUN: | %llvm2ice -notranslate -verbose=inst -build-on-read \ |
| ; RUN: -allow-pnacl-reader-error-recovery \ |
| ; RUN: -allow-local-symbol-tables \ |
| ; RUN: | FileCheck %s |
| |
| define i32 @fib(i32 %n) { |
| entry: |
| %cmp = icmp slt i32 %n, 2 |
| br i1 %cmp, label %return, label %if.end |
| |
| if.end: ; preds = %entry |
| %sub = add i32 %n, -1 |
| %call = tail call i32 @fib(i32 %sub) |
| %sub1 = add i32 %n, -2 |
| %call2 = tail call i32 @fib(i32 %sub1) |
| %add = add i32 %call2, %call |
| ret i32 %add |
| |
| return: ; preds = %entry |
| ret i32 %n |
| } |
| |
| ; CHECK: define i32 @fib(i32 %n) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: %cmp = icmp slt i32 %n, 2 |
| ; CHECK-NEXT: br i1 %cmp, label %return, label %if.end |
| ; CHECK-NEXT: if.end: |
| ; CHECK-NEXT: %sub = add i32 %n, -1 |
| ; CHECK-NEXT: %call = call i32 @fib(i32 %sub) |
| ; CHECK-NEXT: %sub1 = add i32 %n, -2 |
| ; CHECK-NEXT: %call2 = call i32 @fib(i32 %sub1) |
| ; CHECK-NEXT: %add = add i32 %call2, %call |
| ; CHECK-NEXT: ret i32 %add |
| ; CHECK-NEXT: return: |
| ; CHECK-NEXT: ret i32 %n |
| ; CHECK-NEXT: } |
| |
| define i32 @fact(i32 %n) { |
| entry: |
| %cmp = icmp slt i32 %n, 2 |
| br i1 %cmp, label %return, label %if.end |
| |
| if.end: ; preds = %entry |
| %sub = add i32 %n, -1 |
| %call = tail call i32 @fact(i32 %sub) |
| %mul = mul i32 %call, %n |
| ret i32 %mul |
| |
| return: ; preds = %entry |
| ret i32 %n |
| } |
| |
| ; CHECK-NEXT: define i32 @fact(i32 %n) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: %cmp = icmp slt i32 %n, 2 |
| ; CHECK-NEXT: br i1 %cmp, label %return, label %if.end |
| ; CHECK-NEXT: if.end: |
| ; CHECK-NEXT: %sub = add i32 %n, -1 |
| ; CHECK-NEXT: %call = call i32 @fact(i32 %sub) |
| ; CHECK-NEXT: %mul = mul i32 %call, %n |
| ; CHECK-NEXT: ret i32 %mul |
| ; CHECK-NEXT: return: |
| ; CHECK-NEXT: ret i32 %n |
| ; CHECK-NEXT: } |
| |
| define i32 @redirect(i32 %n) { |
| entry: |
| %call = tail call i32 @redirect_target(i32 %n) |
| ret i32 %call |
| } |
| |
| ; CHECK-NEXT: define i32 @redirect(i32 %n) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: %call = call i32 @redirect_target(i32 %n) |
| ; CHECK-NEXT: ret i32 %call |
| ; CHECK-NEXT: } |
| |
| declare i32 @redirect_target(i32) |
| |
| define void @call_void(i32 %n) { |
| entry: |
| %cmp2 = icmp sgt i32 %n, 0 |
| br i1 %cmp2, label %if.then, label %if.end |
| |
| if.then: ; preds = %entry, %if.then |
| %n.tr3 = phi i32 [ %call.i, %if.then ], [ %n, %entry ] |
| %sub = add i32 %n.tr3, -1 |
| %call.i = tail call i32 @redirect_target(i32 %sub) |
| %cmp = icmp sgt i32 %call.i, 0 |
| br i1 %cmp, label %if.then, label %if.end |
| |
| if.end: ; preds = %if.then, %entry |
| ret void |
| } |
| |
| ; CHECK-NEXT: define void @call_void(i32 %n) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: %cmp2 = icmp sgt i32 %n, 0 |
| ; CHECK-NEXT: br i1 %cmp2, label %if.then, label %if.end |
| ; CHECK-NEXT: if.then: |
| ; CHECK-NEXT: %n.tr3 = phi i32 [ %call.i, %if.then ], [ %n, %entry ] |
| ; CHECK-NEXT: %sub = add i32 %n.tr3, -1 |
| ; CHECK-NEXT: %call.i = call i32 @redirect_target(i32 %sub) |
| ; CHECK-NEXT: %cmp = icmp sgt i32 %call.i, 0 |
| ; CHECK-NEXT: br i1 %cmp, label %if.then, label %if.end |
| ; CHECK-NEXT: if.end: |
| ; CHECK-NEXT: ret void |
| ; CHECK-NEXT: } |
| |