#define LLVM_IR_CALLSITE_H
#include "llvm/ADT/PointerIntPair.h"
-#include "llvm/ADT/iterator_range.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/Instructions.h"
}
IterTy arg_end() const { return (*this)->op_end() - getArgumentEndOffset(); }
- iterator_range<IterTy> args() const {
- return iterator_range<IterTy>(arg_begin(), arg_end());
- }
bool arg_empty() const { return arg_end() == arg_begin(); }
unsigned arg_size() const { return unsigned(arg_end() - arg_begin()); }
// visitCallSite - Improvements for call and invoke instructions.
//
Instruction *InstCombiner::visitCallSite(CallSite CS) {
-
- // Mark any parameters that are known to be non-null with the nonnull
- // attribute. This is helpful for inlining calls to functions with null
- // checks on their arguments.
- unsigned ArgNo = 0;
- for (Value *V : CS.args()) {
- if (!CS.paramHasAttr(ArgNo+1, Attribute::NonNull) &&
- isKnownNonNull(V)) {
- AttributeSet AS = CS.getAttributes();
- AS = AS.addAttribute(CS.getInstruction()->getContext(), ArgNo+1,
- Attribute::NonNull);
- CS.setAttributes(AS);
- return CS.getInstruction();
- }
- ArgNo++;
- }
- assert(ArgNo == CS.arg_size() && "sanity check");
-
if (isAllocLikeFn(CS.getInstruction(), TLI))
return visitAllocSite(*CS.getInstruction());
; CHECK: @bar
define void @bar() {
%t1 = alloca i32
-; CHECK: call i32 addrspace(1)* @llvm.nvvm.ptr.gen.to.global.p1i32.p0i32(i32* nonnull %t1)
+; CHECK: call i32 addrspace(1)* @llvm.nvvm.ptr.gen.to.global.p1i32.p0i32(i32* %t1)
; CHECK-NEXT: store i32 10, i32* %t1
%t2 = call i32 addrspace(1)* @llvm.nvvm.ptr.gen.to.global.p1i32.p0i32(i32* %t1)
store i32 10, i32* %t1
; CHECK: %[[POS:.*]] = alloca i32
; CHECK: %[[VAL:.*]] = load i32, i32* %x
; CHECK: store i32 %[[VAL]], i32* %[[POS]]
-; CHECK: {{^ *}}call void @ext(i32* nonnull %[[POS]]
+; CHECK: {{^ *}}call void @ext(i32* %[[POS]]
; CHECK: tail call void @ext(i32* null)
; CHECK: ret void
tail call void @qux(i32* byval %x)
+++ /dev/null
-; RUN: opt -S -instcombine < %s | FileCheck %s
-
-declare void @callee(i8* %arg)
-
-; Positive test - arg is known non null
-define void @test(i8* nonnull %arg) {
-; CHECK-LABEL: @test
-; CHECK: call void @callee(i8* nonnull %arg)
- call void @callee(i8* %arg)
- ret void
-}
-
-
-; Negative test - arg is not known to be non null
-define void @test2(i8* %arg) {
-; CHECK-LABEL: @test2
-; CHECK: call void @callee(i8* %arg)
- call void @callee(i8* %arg)
- ret void
-}
-
-declare void @callee2(i8*, i8*, i8*)
-
-; Sanity check arg indexing
-define void @test3(i8* %arg1, i8* nonnull %arg2, i8* %arg3) {
-; CHECK-LABEL: @test3
-; CHECK: call void @callee2(i8* %arg1, i8* nonnull %arg2, i8* %arg3)
- call void @callee2(i8* %arg1, i8* %arg2, i8* %arg3)
- ret void
-}
-
-; Because of the way CallSite::paramHasAttribute looks at the callee
-; directly, we will not set the attribute on the CallSite. That's
-; fine as long as all consumers use the same check.
-define void @test4(i8* nonnull %arg) {
-; CHECK-LABEL: @test4
-; CHECK: call void @test4(i8* %arg)
- call void @test4(i8* %arg)
- ret void
-}
-
-
; load does.
; CHECK-LABEL: @test77(
; CHECK: %[[A:.*]] = alloca i32, align 1
-; CHECK: call void @scribble_on_i32(i32* nonnull %[[A]])
+; CHECK: call void @scribble_on_i32(i32* %[[A]])
; CHECK: store i32 0, i32* %x
; CHECK: %[[P:.*]] = select i1 %flag, i32* %[[A]], i32* %x
; CHECK: load i32, i32* %[[P]]