diff --git a/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp b/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp --- a/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp +++ b/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp @@ -243,6 +243,7 @@ // to pass in the loaded pointers. // SmallVector Args; + const DataLayout &DL = F->getParent()->getDataLayout(); while (!F->use_empty()) { CallBase &CB = cast(*F->user_back()); assert(CB.getCalledFunction() == F); @@ -264,13 +265,17 @@ StructType *STy = cast(AgTy); Value *Idxs[2] = { ConstantInt::get(Type::getInt32Ty(F->getContext()), 0), nullptr}; + const StructLayout *SL = DL.getStructLayout(STy); + Align StructAlign = *I->getParamAlign(); for (unsigned i = 0, e = STy->getNumElements(); i != e; ++i) { Idxs[1] = ConstantInt::get(Type::getInt32Ty(F->getContext()), i); auto *Idx = IRB.CreateGEP(STy, *AI, Idxs, (*AI)->getName() + "." + Twine(i)); // TODO: Tell AA about the new values? - Args.push_back(IRB.CreateLoad(STy->getElementType(i), Idx, - Idx->getName() + ".val")); + Align Alignment = + commonAlignment(StructAlign, SL->getElementOffset(i)); + Args.push_back(IRB.CreateAlignedLoad( + STy->getElementType(i), Idx, Alignment, Idx->getName() + ".val")); ArgAttrVec.push_back(AttributeSet()); } } else if (!I->use_empty()) { @@ -358,8 +363,6 @@ CB.eraseFromParent(); } - const DataLayout &DL = F->getParent()->getDataLayout(); - // Since we have now created the new function, splice the body of the old // function right into the new function, leaving the old rotting hulk of the // function empty. @@ -386,13 +389,13 @@ // Just add all the struct element types. Type *AgTy = cast(I->getType())->getElementType(); - Value *TheAlloca = new AllocaInst( - AgTy, DL.getAllocaAddrSpace(), nullptr, - I->getParamAlign().getValueOr(DL.getPrefTypeAlign(AgTy)), "", - InsertPt); + Align StructAlign = *I->getParamAlign(); + Value *TheAlloca = new AllocaInst(AgTy, DL.getAllocaAddrSpace(), nullptr, + StructAlign, "", InsertPt); StructType *STy = cast(AgTy); Value *Idxs[2] = {ConstantInt::get(Type::getInt32Ty(F->getContext()), 0), nullptr}; + const StructLayout *SL = DL.getStructLayout(STy); for (unsigned i = 0, e = STy->getNumElements(); i != e; ++i) { Idxs[1] = ConstantInt::get(Type::getInt32Ty(F->getContext()), i); @@ -400,21 +403,13 @@ AgTy, TheAlloca, Idxs, TheAlloca->getName() + "." + Twine(i), InsertPt); I2->setName(I->getName() + "." + Twine(i)); - new StoreInst(&*I2++, Idx, InsertPt); + Align Alignment = commonAlignment(StructAlign, SL->getElementOffset(i)); + new StoreInst(&*I2++, Idx, false, Alignment, InsertPt); } // Anything that used the arg should now use the alloca. I->replaceAllUsesWith(TheAlloca); TheAlloca->takeName(&*I); - - // If the alloca is used in a call, we must clear the tail flag since - // the callee now uses an alloca from the caller. - for (User *U : TheAlloca->users()) { - CallInst *Call = dyn_cast(U); - if (!Call) - continue; - Call->setTailCall(false); - } continue; } @@ -949,7 +944,10 @@ // If this is a byval argument, and if the aggregate type is small, just // pass the elements, which is always safe, if the passed value is densely // packed or if we can prove the padding bytes are never accessed. - bool isSafeToPromote = PtrArg->hasByValAttr() && + // + // Only handle arguments with specified alignment; if it's unspecified, the + // actual alignment of the argument is target-specific. + bool isSafeToPromote = PtrArg->hasByValAttr() && PtrArg->getParamAlign() && (ArgumentPromotionPass::isDenselyPacked(AgTy, DL) || !canPaddingBeAccessed(PtrArg)); if (isSafeToPromote) { diff --git a/llvm/test/Transforms/ArgumentPromotion/attrs.ll b/llvm/test/Transforms/ArgumentPromotion/attrs.ll --- a/llvm/test/Transforms/ArgumentPromotion/attrs.ll +++ b/llvm/test/Transforms/ArgumentPromotion/attrs.ll @@ -5,11 +5,11 @@ %struct.ss = type { i32, i64 } ; Don't drop 'byval' on %X here. -define internal void @f(%struct.ss* byval(%struct.ss) %b, i32* byval(i32) %X, i32 %i) nounwind { +define internal void @f(%struct.ss* byval(%struct.ss) align 4 %b, i32* byval(i32) align 4 %X, i32 %i) nounwind { ; CHECK-LABEL: define {{[^@]+}}@f -; CHECK-SAME: (i32 [[B_0:%.*]], i64 [[B_1:%.*]], i32* byval(i32) [[X:%.*]], i32 [[I:%.*]]) +; CHECK-SAME: (i32 [[B_0:%.*]], i64 [[B_1:%.*]], i32* byval(i32) align 4 [[X:%.*]], i32 [[I:%.*]]) [[ATTR0:#.*]] { ; CHECK-NEXT: entry: -; CHECK-NEXT: [[B:%.*]] = alloca [[STRUCT_SS:%.*]], align 8 +; CHECK-NEXT: [[B:%.*]] = alloca [[STRUCT_SS:%.*]], align 4 ; CHECK-NEXT: [[DOT0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 0 ; CHECK-NEXT: store i32 [[B_0]], i32* [[DOT0]], align 4 ; CHECK-NEXT: [[DOT1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 1 @@ -35,7 +35,7 @@ ; Also make sure we don't drop the call zeroext attribute. define i32 @test(i32* %X) { ; CHECK-LABEL: define {{[^@]+}}@test -; CHECK-SAME: (i32* [[X:%.*]]) +; CHECK-SAME: (i32* [[X:%.*]]) { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[S:%.*]] = alloca [[STRUCT_SS:%.*]], align 8 ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 0 @@ -46,7 +46,7 @@ ; CHECK-NEXT: [[S_0_VAL:%.*]] = load i32, i32* [[S_0]], align 4 ; CHECK-NEXT: [[S_1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 1 ; CHECK-NEXT: [[S_1_VAL:%.*]] = load i64, i64* [[S_1]], align 4 -; CHECK-NEXT: call void @f(i32 [[S_0_VAL]], i64 [[S_1_VAL]], i32* byval(i32) [[X]], i32 zeroext 0) +; CHECK-NEXT: call void @f(i32 [[S_0_VAL]], i64 [[S_1_VAL]], i32* byval(i32) align 4 [[X]], i32 zeroext 0) ; CHECK-NEXT: ret i32 0 ; entry: @@ -56,7 +56,7 @@ %tmp4 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 1 store i64 2, i64* %tmp4, align 4 - call void @f(%struct.ss* byval(%struct.ss) %S, i32* byval(i32) %X, i32 zeroext 0) + call void @f( %struct.ss* byval(%struct.ss) align 4 %S, i32* byval(i32) align 4 %X, i32 zeroext 0) ret i32 0 } diff --git a/llvm/test/Transforms/ArgumentPromotion/byval-2.ll b/llvm/test/Transforms/ArgumentPromotion/byval-2.ll --- a/llvm/test/Transforms/ArgumentPromotion/byval-2.ll +++ b/llvm/test/Transforms/ArgumentPromotion/byval-2.ll @@ -7,13 +7,13 @@ %struct.ss = type { i32, i64 } -define internal void @f(%struct.ss* byval(%struct.ss) %b, i32* byval(i32) %X) nounwind { +define internal void @f(%struct.ss* byval(%struct.ss) align 8 %b, i32* byval(i32) align 4 %X) nounwind { ; CHECK-LABEL: define {{[^@]+}}@f -; CHECK-SAME: (i32 [[B_0:%.*]], i64 [[B_1:%.*]], i32* byval(i32) [[X:%.*]]) +; CHECK-SAME: (i32 [[B_0:%.*]], i64 [[B_1:%.*]], i32* byval(i32) align 4 [[X:%.*]]) [[ATTR0:#.*]] { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[B:%.*]] = alloca [[STRUCT_SS:%.*]], align 8 ; CHECK-NEXT: [[DOT0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 0 -; CHECK-NEXT: store i32 [[B_0]], i32* [[DOT0]], align 4 +; CHECK-NEXT: store i32 [[B_0]], i32* [[DOT0]], align 8 ; CHECK-NEXT: [[DOT1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 1 ; CHECK-NEXT: store i64 [[B_1]], i64* [[DOT1]], align 4 ; CHECK-NEXT: [[TMP:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 0 @@ -35,7 +35,7 @@ define i32 @test(i32* %X) { ; CHECK-LABEL: define {{[^@]+}}@test -; CHECK-SAME: (i32* [[X:%.*]]) +; CHECK-SAME: (i32* [[X:%.*]]) { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[S:%.*]] = alloca [[STRUCT_SS:%.*]], align 8 ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 0 @@ -43,18 +43,18 @@ ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 1 ; CHECK-NEXT: store i64 2, i64* [[TMP4]], align 4 ; CHECK-NEXT: [[S_0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 0 -; CHECK-NEXT: [[S_0_VAL:%.*]] = load i32, i32* [[S_0]], align 4 +; CHECK-NEXT: [[S_0_VAL:%.*]] = load i32, i32* [[S_0]], align 8 ; CHECK-NEXT: [[S_1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 1 ; CHECK-NEXT: [[S_1_VAL:%.*]] = load i64, i64* [[S_1]], align 4 -; CHECK-NEXT: call void @f(i32 [[S_0_VAL]], i64 [[S_1_VAL]], i32* byval(i32) [[X]]) +; CHECK-NEXT: call void @f(i32 [[S_0_VAL]], i64 [[S_1_VAL]], i32* byval(i32) align 4 [[X]]) ; CHECK-NEXT: ret i32 0 ; entry: - %S = alloca %struct.ss + %S = alloca %struct.ss, align 8 %tmp1 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 0 store i32 1, i32* %tmp1, align 8 %tmp4 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 1 store i64 2, i64* %tmp4, align 4 - call void @f(%struct.ss* byval(%struct.ss) %S, i32* byval(i32) %X) + call void @f( %struct.ss* byval(%struct.ss) align 8 %S, i32* byval(i32) align 4 %X) ret i32 0 } diff --git a/llvm/test/Transforms/ArgumentPromotion/byval.ll b/llvm/test/Transforms/ArgumentPromotion/byval.ll --- a/llvm/test/Transforms/ArgumentPromotion/byval.ll +++ b/llvm/test/Transforms/ArgumentPromotion/byval.ll @@ -6,9 +6,9 @@ %struct.ss = type { i32, i64 } -define internal void @f(%struct.ss* byval(%struct.ss) %b) nounwind { +define internal void @f(%struct.ss* byval(%struct.ss) align 4 %b) nounwind { ; CHECK-LABEL: define {{[^@]+}}@f -; CHECK-SAME: (i32 [[B_0:%.*]], i64 [[B_1:%.*]]) +; CHECK-SAME: (i32 [[B_0:%.*]], i64 [[B_1:%.*]]) [[ATTR0:#.*]] { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[B:%.*]] = alloca [[STRUCT_SS:%.*]], align 4 ; CHECK-NEXT: [[DOT0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 0 @@ -32,11 +32,11 @@ define internal void @g(%struct.ss* byval(%struct.ss) align 32 %b) nounwind { ; CHECK-LABEL: define {{[^@]+}}@g -; CHECK-SAME: (i32 [[B_0:%.*]], i64 [[B_1:%.*]]) +; CHECK-SAME: (i32 [[B_0:%.*]], i64 [[B_1:%.*]]) [[ATTR0]] { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[B:%.*]] = alloca [[STRUCT_SS:%.*]], align 32 ; CHECK-NEXT: [[DOT0:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 0 -; CHECK-NEXT: store i32 [[B_0]], i32* [[DOT0]], align 4 +; CHECK-NEXT: store i32 [[B_0]], i32* [[DOT0]], align 32 ; CHECK-NEXT: [[DOT1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 1 ; CHECK-NEXT: store i64 [[B_1]], i64* [[DOT1]], align 4 ; CHECK-NEXT: [[TMP:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[B]], i32 0, i32 0 @@ -53,11 +53,28 @@ ret void } +; Don't transform if alignment isn't specified; the actual alignment +; is target-specific, and not exposed anywhere. +; +; (If we ever change byval so a missing alignment isn't legal, we can +; just delete this test.) +define internal void @h(%struct.ss* byval(%struct.ss) %b) nounwind { +; CHECK-LABEL: define {{[^@]+}}@h +; CHECK-SAME: (%struct.ss* byval(%struct.ss) %b) +; +entry: + %tmp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0 + %tmp1 = load i32, i32* %tmp, align 4 + %tmp2 = add i32 %tmp1, 1 + store i32 %tmp2, i32* %tmp, align 4 + ret void +} define i32 @main() nounwind { -; CHECK-LABEL: define {{[^@]+}}@main() +; CHECK-LABEL: define {{[^@]+}}@main +; CHECK-SAME: () [[ATTR0]] { ; CHECK-NEXT: entry: -; CHECK-NEXT: [[S:%.*]] = alloca [[STRUCT_SS:%.*]], align 4 +; CHECK-NEXT: [[S:%.*]] = alloca [[STRUCT_SS:%.*]], align 32 ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 0 ; CHECK-NEXT: store i32 1, i32* [[TMP1]], align 8 ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 1 @@ -68,20 +85,22 @@ ; CHECK-NEXT: [[S_1_VAL:%.*]] = load i64, i64* [[S_1]], align 4 ; CHECK-NEXT: call void @f(i32 [[S_0_VAL]], i64 [[S_1_VAL]]) ; CHECK-NEXT: [[S_01:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 0 -; CHECK-NEXT: [[S_01_VAL:%.*]] = load i32, i32* [[S_01]], align 4 +; CHECK-NEXT: [[S_01_VAL:%.*]] = load i32, i32* [[S_01]], align 32 ; CHECK-NEXT: [[S_12:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 1 ; CHECK-NEXT: [[S_12_VAL:%.*]] = load i64, i64* [[S_12]], align 4 ; CHECK-NEXT: call void @g(i32 [[S_01_VAL]], i64 [[S_12_VAL]]) +; CHECK-NEXT: call void @h(%struct.ss* byval(%struct.ss) %S) ; CHECK-NEXT: ret i32 0 ; entry: - %S = alloca %struct.ss + %S = alloca %struct.ss, align 32 %tmp1 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 0 store i32 1, i32* %tmp1, align 8 %tmp4 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 1 store i64 2, i64* %tmp4, align 4 - call void @f(%struct.ss* byval(%struct.ss) %S) nounwind - call void @g(%struct.ss* byval(%struct.ss) %S) nounwind + call void @f(%struct.ss* byval(%struct.ss) align 4 %S) nounwind + call void @g(%struct.ss* byval(%struct.ss) align 32 %S) nounwind + call void @h(%struct.ss* byval(%struct.ss) %S) nounwind ret i32 0 } diff --git a/llvm/test/Transforms/ArgumentPromotion/dbg.ll b/llvm/test/Transforms/ArgumentPromotion/dbg.ll --- a/llvm/test/Transforms/ArgumentPromotion/dbg.ll +++ b/llvm/test/Transforms/ArgumentPromotion/dbg.ll @@ -6,7 +6,7 @@ define internal void @test(i32** %X) !dbg !2 { ; CHECK-LABEL: define {{[^@]+}}@test -; CHECK-SAME: (i32 [[X_VAL_VAL:%.*]]) !dbg !3 +; CHECK-SAME: (i32 [[X_VAL_VAL:%.*]]) [[DBG3:!dbg !.*]] { ; CHECK-NEXT: call void @sink(i32 [[X_VAL_VAL]]) ; CHECK-NEXT: ret void ; @@ -18,10 +18,10 @@ %struct.pair = type { i32, i32 } -define internal void @test_byval(%struct.pair* byval(%struct.pair) %P) { +define internal void @test_byval(%struct.pair* byval(%struct.pair) align 4 %P) { ; CHECK-LABEL: define {{[^@]+}}@test_byval -; CHECK-SAME: (i32 [[P_0:%.*]], i32 [[P_1:%.*]]) -; CHECK-NEXT: [[P:%.*]] = alloca [[STRUCT_PAIR:%.*]], align 8 +; CHECK-SAME: (i32 [[P_0:%.*]], i32 [[P_1:%.*]]) { +; CHECK-NEXT: [[P:%.*]] = alloca [[STRUCT_PAIR:%.*]], align 4 ; CHECK-NEXT: [[DOT0:%.*]] = getelementptr [[STRUCT_PAIR]], %struct.pair* [[P]], i32 0, i32 0 ; CHECK-NEXT: store i32 [[P_0]], i32* [[DOT0]], align 4 ; CHECK-NEXT: [[DOT1:%.*]] = getelementptr [[STRUCT_PAIR]], %struct.pair* [[P]], i32 0, i32 1 @@ -33,20 +33,20 @@ define void @caller(i32** %Y, %struct.pair* %P) { ; CHECK-LABEL: define {{[^@]+}}@caller -; CHECK-SAME: (i32** [[Y:%.*]], %struct.pair* [[P:%.*]]) -; CHECK-NEXT: [[Y_VAL:%.*]] = load i32*, i32** [[Y]], align 8, !dbg !4 -; CHECK-NEXT: [[Y_VAL_VAL:%.*]] = load i32, i32* [[Y_VAL]], align 8, !dbg !4 -; CHECK-NEXT: call void @test(i32 [[Y_VAL_VAL]]), !dbg !4 -; CHECK-NEXT: [[P_0:%.*]] = getelementptr [[STRUCT_PAIR:%.*]], %struct.pair* [[P]], i32 0, i32 0, !dbg !5 -; CHECK-NEXT: [[P_0_VAL:%.*]] = load i32, i32* [[P_0]], align 4, !dbg !5 -; CHECK-NEXT: [[P_1:%.*]] = getelementptr [[STRUCT_PAIR]], %struct.pair* [[P]], i32 0, i32 1, !dbg !5 -; CHECK-NEXT: [[P_1_VAL:%.*]] = load i32, i32* [[P_1]], align 4, !dbg !5 -; CHECK-NEXT: call void @test_byval(i32 [[P_0_VAL]], i32 [[P_1_VAL]]), !dbg !5 +; CHECK-SAME: (i32** [[Y:%.*]], %struct.pair* [[P:%.*]]) { +; CHECK-NEXT: [[Y_VAL:%.*]] = load i32*, i32** [[Y]], align 8, [[DBG4:!dbg !.*]] +; CHECK-NEXT: [[Y_VAL_VAL:%.*]] = load i32, i32* [[Y_VAL]], align 8, [[DBG4]] +; CHECK-NEXT: call void @test(i32 [[Y_VAL_VAL]]), [[DBG4]] +; CHECK-NEXT: [[P_0:%.*]] = getelementptr [[STRUCT_PAIR:%.*]], %struct.pair* [[P]], i32 0, i32 0, [[DBG5:!dbg !.*]] +; CHECK-NEXT: [[P_0_VAL:%.*]] = load i32, i32* [[P_0]], align 4, [[DBG5]] +; CHECK-NEXT: [[P_1:%.*]] = getelementptr [[STRUCT_PAIR]], %struct.pair* [[P]], i32 0, i32 1, [[DBG5]] +; CHECK-NEXT: [[P_1_VAL:%.*]] = load i32, i32* [[P_1]], align 4, [[DBG5]] +; CHECK-NEXT: call void @test_byval(i32 [[P_0_VAL]], i32 [[P_1_VAL]]), [[DBG5]] ; CHECK-NEXT: ret void ; call void @test(i32** %Y), !dbg !1 - call void @test_byval(%struct.pair* %P), !dbg !6 + call void @test_byval(%struct.pair* byval(%struct.pair) align 4 %P), !dbg !6 ret void } diff --git a/llvm/test/Transforms/ArgumentPromotion/tail.ll b/llvm/test/Transforms/ArgumentPromotion/tail.ll deleted file mode 100644 --- a/llvm/test/Transforms/ArgumentPromotion/tail.ll +++ /dev/null @@ -1,39 +0,0 @@ -; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes -; RUN: opt %s -argpromotion -S -o - | FileCheck %s -; RUN: opt %s -passes=argpromotion -S -o - | FileCheck %s -; PR14710 - -target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" - -%pair = type { i32, i32 } - -declare i8* @foo(%pair*) - -define internal void @bar(%pair* byval(%pair) %Data) { -; CHECK-LABEL: define {{[^@]+}}@bar -; CHECK-SAME: (i32 [[DATA_0:%.*]], i32 [[DATA_1:%.*]]) -; CHECK-NEXT: [[DATA:%.*]] = alloca [[PAIR:%.*]], align 8 -; CHECK-NEXT: [[DOT0:%.*]] = getelementptr [[PAIR]], %pair* [[DATA]], i32 0, i32 0 -; CHECK-NEXT: store i32 [[DATA_0]], i32* [[DOT0]], align 4 -; CHECK-NEXT: [[DOT1:%.*]] = getelementptr [[PAIR]], %pair* [[DATA]], i32 0, i32 1 -; CHECK-NEXT: store i32 [[DATA_1]], i32* [[DOT1]], align 4 -; CHECK-NEXT: [[TMP1:%.*]] = call i8* @foo(%pair* [[DATA]]) -; CHECK-NEXT: ret void -; - tail call i8* @foo(%pair* %Data) - ret void -} - -define void @zed(%pair* byval(%pair) %Data) { -; CHECK-LABEL: define {{[^@]+}}@zed -; CHECK-SAME: (%pair* byval(%pair) [[DATA:%.*]]) -; CHECK-NEXT: [[DATA_0:%.*]] = getelementptr [[PAIR:%.*]], %pair* [[DATA]], i32 0, i32 0 -; CHECK-NEXT: [[DATA_0_VAL:%.*]] = load i32, i32* [[DATA_0]], align 4 -; CHECK-NEXT: [[DATA_1:%.*]] = getelementptr [[PAIR]], %pair* [[DATA]], i32 0, i32 1 -; CHECK-NEXT: [[DATA_1_VAL:%.*]] = load i32, i32* [[DATA_1]], align 4 -; CHECK-NEXT: call void @bar(i32 [[DATA_0_VAL]], i32 [[DATA_1_VAL]]) -; CHECK-NEXT: ret void -; - call void @bar(%pair* byval(%pair) %Data) - ret void -}