1; RUN: opt < %s -passes=partial-inliner -S -skip-partial-inlining-cost-analysis | FileCheck %s 2 3@stat = external global i32, align 4 4 5define i32 @vararg(i32 %count, ...) { 6entry: 7 %vargs = alloca ptr, align 8 8 %stat1 = load i32, ptr @stat, align 4 9 %cmp = icmp slt i32 %stat1, 0 10 br i1 %cmp, label %bb2, label %bb1 11 12bb1: ; preds = %entry 13 %vg1 = add nsw i32 %stat1, 1 14 store i32 %vg1, ptr @stat, align 4 15 call void @llvm.va_start(ptr %vargs) 16 %va1 = va_arg ptr %vargs, i32 17 call void @foo(i32 %count, i32 %va1) #2 18 call void @llvm.va_end(ptr %vargs) 19 br label %bb2 20 21bb2: ; preds = %bb1, %entry 22 %res = phi i32 [ 1, %bb1 ], [ 0, %entry ] 23 ret i32 %res 24} 25 26declare void @foo(i32, i32) 27declare void @llvm.va_start(ptr) 28declare void @llvm.va_end(ptr) 29 30define i32 @caller1(i32 %arg) { 31bb: 32 %tmp = tail call i32 (i32, ...) @vararg(i32 %arg) 33 ret i32 %tmp 34} 35; CHECK-LABEL: @caller1 36; CHECK: codeRepl.i: 37; CHECK-NEXT: call void (i32, ptr, i32, ...) @vararg.3.bb1(i32 %stat1.i, ptr %vargs.i, i32 %arg) 38 39define i32 @caller2(i32 %arg, float %arg2) { 40bb: 41 %tmp = tail call i32 (i32, ...) @vararg(i32 %arg, i32 10, float %arg2) 42 ret i32 %tmp 43} 44 45; CHECK-LABEL: @caller2 46; CHECK: codeRepl.i: 47; CHECK-NEXT: call void (i32, ptr, i32, ...) @vararg.3.bb1(i32 %stat1.i, ptr %vargs.i, i32 %arg, i32 10, float %arg2) 48 49; Test case to check that we do not extract a vararg function, if va_end is in 50; a block that is not outlined. 51define i32 @vararg_not_legal(i32 %count, ...) { 52entry: 53 %vargs = alloca ptr, align 8 54 %stat1 = load i32, ptr @stat, align 4 55 %cmp = icmp slt i32 %stat1, 0 56 br i1 %cmp, label %bb2, label %bb1 57 58bb1: ; preds = %entry 59 %vg1 = add nsw i32 %stat1, 1 60 store i32 %vg1, ptr @stat, align 4 61 call void @llvm.va_start(ptr %vargs) 62 %va1 = va_arg ptr %vargs, i32 63 call void @foo(i32 %count, i32 %va1) 64 br label %bb2 65 66bb2: ; preds = %bb1, %entry 67 %res = phi i32 [ 1, %bb1 ], [ 0, %entry ] 68 %ptr = phi ptr [ %vargs, %bb1 ], [ %vargs, %entry] 69 call void @llvm.va_end(ptr %ptr) 70 ret i32 %res 71} 72 73; CHECK-LABEL: @caller3 74; CHECK: tail call i32 (i32, ...) @vararg_not_legal(i32 %arg, i32 %arg) 75define i32 @caller3(i32 %arg) { 76bb: 77 %res = tail call i32 (i32, ...) @vararg_not_legal(i32 %arg, i32 %arg) 78 ret i32 %res 79} 80 81declare ptr @err(ptr) 82 83define signext i32 @vararg2(ptr %l, ...) { 84entry: 85 %c = load i1, ptr %l 86 br i1 %c, label %cleanup, label %cond.end 87 88cond.end: ; preds = %entry 89 %call51 = call ptr @err(ptr nonnull %l) 90 unreachable 91 92cleanup: ; preds = %entry 93 ret i32 0 94} 95 96define ptr @caller_with_signext(ptr %foo) { 97entry: 98 %call1 = tail call signext i32 (ptr, ...) @vararg2(ptr %foo, i32 signext 8) 99 unreachable 100} 101 102; CHECK-LABEL: @caller_with_signext 103; CHECK: codeRepl.i: 104; CHECK-NEXT: call void (ptr, ...) @vararg2.1.cond.end(ptr %foo, i32 signext 8) 105