; RUN: llc -mcpu=corei7 -no-stack-coloring=false < %s | FileCheck %s --check-prefix=YESCOLOR --check-prefix=CHECK ; RUN: llc -mcpu=corei7 -no-stack-coloring=false -stackcoloring-lifetime-start-on-first-use=false < %s | FileCheck %s --check-prefix=NOFIRSTUSE --check-prefix=CHECK ; RUN: llc -mcpu=corei7 -no-stack-coloring=true < %s | FileCheck %s --check-prefix=NOCOLOR --check-prefix=CHECK target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx10.8.0" ;CHECK-LABEL: myCall_w2: ;YESCOLOR: subq $144, %rsp ;NOCOLOR: subq $272, %rsp define i32 @myCall_w2(i32 %in) { entry: %a = alloca [17 x ptr], align 8 %a2 = alloca [16 x ptr], align 8 call void @llvm.lifetime.start.p0(i64 -1, ptr %a) %t1 = call i32 @foo(i32 %in, ptr %a) %t2 = call i32 @foo(i32 %in, ptr %a) call void @llvm.lifetime.end.p0(i64 -1, ptr %a) call void @llvm.lifetime.start.p0(i64 -1, ptr %a2) %t3 = call i32 @foo(i32 %in, ptr %a2) %t4 = call i32 @foo(i32 %in, ptr %a2) call void @llvm.lifetime.end.p0(i64 -1, ptr %a2) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 ret i32 %t7 } ;CHECK-LABEL: myCall2_no_merge ;YESCOLOR: subq $272, %rsp ;NOCOLOR: subq $272, %rsp define i32 @myCall2_no_merge(i32 %in, i1 %d) { entry: %a = alloca [17 x ptr], align 8 %a2 = alloca [16 x ptr], align 8 call void @llvm.lifetime.start.p0(i64 -1, ptr %a) %t1 = call i32 @foo(i32 %in, ptr %a) %t2 = call i32 @foo(i32 %in, ptr %a) br i1 %d, label %bb2, label %bb3 bb2: call void @llvm.lifetime.start.p0(i64 -1, ptr %a2) %t3 = call i32 @foo(i32 %in, ptr %a2) %t4 = call i32 @foo(i32 %in, ptr %a2) call void @llvm.lifetime.end.p0(i64 -1, ptr %a2) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 call void @llvm.lifetime.end.p0(i64 -1, ptr %a) ret i32 %t7 bb3: call void @llvm.lifetime.end.p0(i64 -1, ptr %a) ret i32 0 } ;CHECK-LABEL: myCall2_w2 ;YESCOLOR: subq $144, %rsp ;NOCOLOR: subq $272, %rsp define i32 @myCall2_w2(i32 %in, i1 %d) { entry: %a = alloca [17 x ptr], align 8 %a2 = alloca [16 x ptr], align 8 call void @llvm.lifetime.start.p0(i64 -1, ptr %a) %t1 = call i32 @foo(i32 %in, ptr %a) %t2 = call i32 @foo(i32 %in, ptr %a) call void @llvm.lifetime.end.p0(i64 -1, ptr %a) br i1 %d, label %bb2, label %bb3 bb2: call void @llvm.lifetime.start.p0(i64 -1, ptr %a2) %t3 = call i32 @foo(i32 %in, ptr %a2) %t4 = call i32 @foo(i32 %in, ptr %a2) call void @llvm.lifetime.end.p0(i64 -1, ptr %a2) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 ret i32 %t7 bb3: ret i32 0 } ;CHECK-LABEL: myCall_w4: ;YESCOLOR: subq $120, %rsp ;NOFIRSTUSE: subq $200, %rsp ;NOCOLOR: subq $408, %rsp define i32 @myCall_w4(i32 %in) { entry: %a1 = alloca [14 x ptr], align 8 %a2 = alloca [13 x ptr], align 8 %a3 = alloca [12 x ptr], align 8 %a4 = alloca [11 x ptr], align 8 call void @llvm.lifetime.start.p0(i64 -1, ptr %a4) call void @llvm.lifetime.start.p0(i64 -1, ptr %a1) %t1 = call i32 @foo(i32 %in, ptr %a1) %t2 = call i32 @foo(i32 %in, ptr %a1) call void @llvm.lifetime.end.p0(i64 -1, ptr %a1) call void @llvm.lifetime.start.p0(i64 -1, ptr %a2) %t9 = call i32 @foo(i32 %in, ptr %a2) %t8 = call i32 @foo(i32 %in, ptr %a2) call void @llvm.lifetime.end.p0(i64 -1, ptr %a2) call void @llvm.lifetime.start.p0(i64 -1, ptr %a3) %t3 = call i32 @foo(i32 %in, ptr %a3) %t4 = call i32 @foo(i32 %in, ptr %a3) call void @llvm.lifetime.end.p0(i64 -1, ptr %a3) %t11 = call i32 @foo(i32 %in, ptr %a4) call void @llvm.lifetime.end.p0(i64 -1, ptr %a4) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 ret i32 %t7 } ;CHECK-LABEL: myCall2_w4: ;YESCOLOR: subq $112, %rsp ;NOCOLOR: subq $400, %rsp define i32 @myCall2_w4(i32 %in) { entry: %a1 = alloca [14 x ptr], align 8 %a2 = alloca [13 x ptr], align 8 %a3 = alloca [12 x ptr], align 8 %a4 = alloca [11 x ptr], align 8 call void @llvm.lifetime.start.p0(i64 -1, ptr %a1) %t1 = call i32 @foo(i32 %in, ptr %a1) %t2 = call i32 @foo(i32 %in, ptr %a1) call void @llvm.lifetime.end.p0(i64 -1, ptr %a1) call void @llvm.lifetime.start.p0(i64 -1, ptr %a2) %t9 = call i32 @foo(i32 %in, ptr %a2) %t8 = call i32 @foo(i32 %in, ptr %a2) call void @llvm.lifetime.end.p0(i64 -1, ptr %a2) call void @llvm.lifetime.start.p0(i64 -1, ptr %a3) %t3 = call i32 @foo(i32 %in, ptr %a3) %t4 = call i32 @foo(i32 %in, ptr %a3) call void @llvm.lifetime.end.p0(i64 -1, ptr %a3) br i1 undef, label %bb2, label %bb3 bb2: call void @llvm.lifetime.start.p0(i64 -1, ptr %a4) %t11 = call i32 @foo(i32 %in, ptr %a4) call void @llvm.lifetime.end.p0(i64 -1, ptr %a4) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 ret i32 %t7 bb3: ret i32 0 } ;CHECK-LABEL: myCall2_noend: ;YESCOLOR: subq $144, %rsp ;NOCOLOR: subq $272, %rsp define i32 @myCall2_noend(i32 %in, i1 %d) { entry: %a = alloca [17 x ptr], align 8 %a2 = alloca [16 x ptr], align 8 call void @llvm.lifetime.start.p0(i64 -1, ptr %a) %t1 = call i32 @foo(i32 %in, ptr %a) %t2 = call i32 @foo(i32 %in, ptr %a) call void @llvm.lifetime.end.p0(i64 -1, ptr %a) br i1 %d, label %bb2, label %bb3 bb2: call void @llvm.lifetime.start.p0(i64 -1, ptr %a2) %t3 = call i32 @foo(i32 %in, ptr %a2) %t4 = call i32 @foo(i32 %in, ptr %a2) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 ret i32 %t7 bb3: ret i32 0 } ;CHECK-LABEL: myCall2_noend2: ;YESCOLOR: subq $144, %rsp ;NOCOLOR: subq $272, %rsp define i32 @myCall2_noend2(i32 %in, i1 %d) { entry: %a = alloca [17 x ptr], align 8 %a2 = alloca [16 x ptr], align 8 call void @llvm.lifetime.start.p0(i64 -1, ptr %a) %t1 = call i32 @foo(i32 %in, ptr %a) %t2 = call i32 @foo(i32 %in, ptr %a) br i1 %d, label %bb2, label %bb3 bb2: call void @llvm.lifetime.end.p0(i64 -1, ptr %a) call void @llvm.lifetime.start.p0(i64 -1, ptr %a2) %t3 = call i32 @foo(i32 %in, ptr %a2) %t4 = call i32 @foo(i32 %in, ptr %a2) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 ret i32 %t7 bb3: ret i32 0 } ;CHECK-LABEL: myCall2_nostart: ;YESCOLOR: subq $272, %rsp ;NOCOLOR: subq $272, %rsp define i32 @myCall2_nostart(i32 %in, i1 %d) { entry: %a = alloca [17 x ptr], align 8 %a2 = alloca [16 x ptr], align 8 %t1 = call i32 @foo(i32 %in, ptr %a) %t2 = call i32 @foo(i32 %in, ptr %a) call void @llvm.lifetime.end.p0(i64 -1, ptr %a) br i1 %d, label %bb2, label %bb3 bb2: call void @llvm.lifetime.start.p0(i64 -1, ptr %a2) %t3 = call i32 @foo(i32 %in, ptr %a2) %t4 = call i32 @foo(i32 %in, ptr %a2) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 ret i32 %t7 bb3: ret i32 0 } ; Adopt the test from Transforms/Inline/array_merge.ll' ;CHECK-LABEL: array_merge: ;YESCOLOR: subq $808, %rsp ;NOCOLOR: subq $1608, %rsp define void @array_merge() nounwind ssp { entry: %A.i1 = alloca [100 x i32], align 4 %B.i2 = alloca [100 x i32], align 4 %A.i = alloca [100 x i32], align 4 %B.i = alloca [100 x i32], align 4 call void @llvm.lifetime.start.p0(i64 -1, ptr %A.i) nounwind call void @llvm.lifetime.start.p0(i64 -1, ptr %B.i) nounwind call void @bar(ptr %A.i, ptr %B.i) nounwind call void @llvm.lifetime.end.p0(i64 -1, ptr %A.i) nounwind call void @llvm.lifetime.end.p0(i64 -1, ptr %B.i) nounwind call void @llvm.lifetime.start.p0(i64 -1, ptr %A.i1) nounwind call void @llvm.lifetime.start.p0(i64 -1, ptr %B.i2) nounwind call void @bar(ptr %A.i1, ptr %B.i2) nounwind call void @llvm.lifetime.end.p0(i64 -1, ptr %A.i1) nounwind call void @llvm.lifetime.end.p0(i64 -1, ptr %B.i2) nounwind ret void } ;CHECK-LABEL: func_phi_lifetime: ;YESCOLOR: subq $272, %rsp ;NOCOLOR: subq $272, %rsp define i32 @func_phi_lifetime(i32 %in, i1 %d) { entry: %a = alloca [17 x ptr], align 8 %a2 = alloca [16 x ptr], align 8 %t1 = call i32 @foo(i32 %in, ptr %a) %t2 = call i32 @foo(i32 %in, ptr %a) call void @llvm.lifetime.end.p0(i64 -1, ptr %a) br i1 %d, label %bb0, label %bb1 bb0: br label %bb2 bb1: br label %bb2 bb2: %split = phi ptr [ %a, %bb0 ], [ %a2, %bb1 ] call void @llvm.lifetime.start.p0(i64 -1, ptr %split) %t3 = call i32 @foo(i32 %in, ptr %a2) %t4 = call i32 @foo(i32 %in, ptr %a2) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 call void @llvm.lifetime.end.p0(i64 -1, ptr %split) ret i32 %t7 bb3: ret i32 0 } ;CHECK-LABEL: multi_region_bb: ;YESCOLOR: subq $272, %rsp ;NOCOLOR: subq $272, %rsp define void @multi_region_bb() nounwind ssp { entry: %A.i1 = alloca [100 x i32], align 4 %B.i2 = alloca [100 x i32], align 4 %A.i = alloca [100 x i32], align 4 %B.i = alloca [100 x i32], align 4 call void @llvm.lifetime.start.p0(i64 -1, ptr %A.i) nounwind ; <---- start #1 call void @llvm.lifetime.start.p0(i64 -1, ptr %B.i) nounwind call void @bar(ptr %A.i, ptr %B.i) nounwind call void @llvm.lifetime.end.p0(i64 -1, ptr %A.i) nounwind call void @llvm.lifetime.end.p0(i64 -1, ptr %B.i) nounwind call void @llvm.lifetime.start.p0(i64 -1, ptr %A.i1) nounwind call void @llvm.lifetime.start.p0(i64 -1, ptr %B.i2) nounwind call void @llvm.lifetime.start.p0(i64 -1, ptr %A.i) nounwind ; <---- start #2 call void @bar(ptr %A.i1, ptr %B.i2) nounwind call void @llvm.lifetime.end.p0(i64 -1, ptr %A.i1) nounwind call void @llvm.lifetime.end.p0(i64 -1, ptr %A.i) nounwind call void @llvm.lifetime.end.p0(i64 -1, ptr %B.i2) nounwind ret void } define i32 @myCall_end_before_begin(i32 %in, i1 %d) { entry: %a = alloca [17 x ptr], align 8 %a2 = alloca [16 x ptr], align 8 %t1 = call i32 @foo(i32 %in, ptr %a) %t2 = call i32 @foo(i32 %in, ptr %a) call void @llvm.lifetime.end.p0(i64 -1, ptr %a) call void @llvm.lifetime.start.p0(i64 -1, ptr %a) br i1 %d, label %bb2, label %bb3 bb2: call void @llvm.lifetime.start.p0(i64 -1, ptr %a2) %t3 = call i32 @foo(i32 %in, ptr %a2) %t4 = call i32 @foo(i32 %in, ptr %a2) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 ret i32 %t7 bb3: ret i32 0 } ; Regression test for PR15707. %buf1 and %buf2 should not be merged ; in this test case. ;CHECK-LABEL: myCall_pr15707: ;NOFIRSTUSE: subq $200008, %rsp ;NOCOLOR: subq $200008, %rsp define void @myCall_pr15707() { %buf1 = alloca i8, i32 100000, align 16 %buf2 = alloca i8, i32 100000, align 16 call void @llvm.lifetime.start.p0(i64 -1, ptr %buf1) call void @llvm.lifetime.end.p0(i64 -1, ptr %buf1) call void @llvm.lifetime.start.p0(i64 -1, ptr %buf1) call void @llvm.lifetime.start.p0(i64 -1, ptr %buf2) %result1 = call i32 @foo(i32 0, ptr %buf1) %result2 = call i32 @foo(i32 0, ptr %buf2) ret void } ; Check that we don't assert and crash even when there are allocas ; outside the declared lifetime regions. ;CHECK-LABEL: bad_range: define void @bad_range() nounwind ssp { entry: %A.i1 = alloca [100 x i32], align 4 %B.i2 = alloca [100 x i32], align 4 %A.i = alloca [100 x i32], align 4 %B.i = alloca [100 x i32], align 4 call void @llvm.lifetime.start.p0(i64 -1, ptr %A.i) nounwind call void @llvm.lifetime.start.p0(i64 -1, ptr %B.i) nounwind call void @bar(ptr %A.i, ptr %B.i) nounwind call void @llvm.lifetime.end.p0(i64 -1, ptr %A.i) nounwind call void @llvm.lifetime.end.p0(i64 -1, ptr %B.i) nounwind br label %block2 block2: ; I am used outside the marked lifetime. call void @bar(ptr %A.i, ptr %B.i) nounwind ret void } ; Check that we don't assert and crash even when there are usages ; of allocas which do not read or write outside the declared lifetime regions. ;CHECK-LABEL: shady_range: %struct.Klass = type { i32, i32 } define i32 @shady_range(i32 %argc, ptr nocapture %argv) uwtable { %a.i = alloca [4 x %struct.Klass], align 16 %b.i = alloca [4 x %struct.Klass], align 16 ; I am used outside the lifetime zone below: call void @llvm.lifetime.start.p0(i64 -1, ptr %a.i) call void @llvm.lifetime.start.p0(i64 -1, ptr %b.i) %z3 = load i32, ptr %a.i, align 16 %r = call i32 @foo(i32 %z3, ptr %a.i) %r2 = call i32 @foo(i32 %z3, ptr %b.i) call void @llvm.lifetime.end.p0(i64 -1, ptr %a.i) call void @llvm.lifetime.end.p0(i64 -1, ptr %b.i) ret i32 9 } ; In this case 'itar1' and 'itar2' can't be overlapped if we treat ; lifetime.start as the beginning of the lifetime, but we can ; overlap if we consider first use of the slot as lifetime ; start. See llvm bug 25776. ;CHECK-LABEL: ifthen_twoslots: ;YESCOLOR: subq $1544, %rsp ;NOFIRSTUSE: subq $2056, %rsp ;NOCOLOR: subq $2568, %rsp define i32 @ifthen_twoslots(i32 %x) #0 { entry: %b1 = alloca [128 x i32], align 16 %b2 = alloca [128 x i32], align 16 %b3 = alloca [128 x i32], align 16 %b4 = alloca [128 x i32], align 16 %b5 = alloca [128 x i32], align 16 call void @llvm.lifetime.start.p0(i64 512, ptr %b1) call void @llvm.lifetime.start.p0(i64 512, ptr %b2) %and = and i32 %x, 1 %tobool = icmp eq i32 %and, 0 br i1 %tobool, label %if.else, label %if.then if.then: ; preds = %entry call void @llvm.lifetime.start.p0(i64 512, ptr %b3) call void @initb(ptr %b1, ptr %b3, ptr null) call void @llvm.lifetime.end.p0(i64 512, ptr %b3) br label %if.end if.else: ; preds = %entry call void @llvm.lifetime.start.p0(i64 512, ptr %b4) call void @llvm.lifetime.start.p0(i64 512, ptr %b5) call void @initb(ptr %b2, ptr %b4, ptr %b5) #3 call void @llvm.lifetime.end.p0(i64 512, ptr %b5) call void @llvm.lifetime.end.p0(i64 512, ptr %b4) br label %if.end if.end: ; preds = %if.else, %if.then call void @llvm.lifetime.end.p0(i64 512, ptr %b2) call void @llvm.lifetime.end.p0(i64 512, ptr %b1) ret i32 0 } ; This function is intended to test the case where you ; have a reference to a stack slot that lies outside of ; the START/END lifetime markers-- the flow analysis ; should catch this and build the lifetime based on the ; markers only. ;CHECK-LABEL: while_loop: ;YESCOLOR: subq $1032, %rsp ;NOFIRSTUSE: subq $1544, %rsp ;NOCOLOR: subq $1544, %rsp define i32 @while_loop(i32 %x) #0 { entry: %b1 = alloca [128 x i32], align 16 %b2 = alloca [128 x i32], align 16 %b3 = alloca [128 x i32], align 16 call void @llvm.lifetime.start.p0(i64 512, ptr %b1) #3 call void @llvm.lifetime.start.p0(i64 512, ptr %b2) #3 %and = and i32 %x, 1 %tobool = icmp eq i32 %and, 0 br i1 %tobool, label %if.else, label %if.then if.then: ; preds = %entry call void @inita(ptr %b2) #3 br label %if.end if.else: ; preds = %entry call void @inita(ptr %b1) #3 call void @inita(ptr %b3) #3 %tobool25 = icmp eq i32 %x, 0 br i1 %tobool25, label %if.end, label %while.body.lr.ph while.body.lr.ph: ; preds = %if.else br label %while.body while.body: ; preds = %while.body.lr.ph, %while.body %x.addr.06 = phi i32 [ %x, %while.body.lr.ph ], [ %dec, %while.body ] %dec = add nsw i32 %x.addr.06, -1 call void @llvm.lifetime.start.p0(i64 512, ptr %b3) #3 call void @inita(ptr %b3) #3 call void @llvm.lifetime.end.p0(i64 512, ptr %b3) #3 %tobool2 = icmp eq i32 %dec, 0 br i1 %tobool2, label %if.end.loopexit, label %while.body if.end.loopexit: ; preds = %while.body br label %if.end if.end: ; preds = %if.end.loopexit, %if.else, %if.then call void @llvm.lifetime.end.p0(i64 512, ptr %b2) #3 call void @llvm.lifetime.end.p0(i64 512, ptr %b1) #3 ret i32 0 } ; Test case motivated by PR27903. Same routine inlined multiple times ; into a caller results in a multi-segment lifetime, but the second ; lifetime has no explicit references to the stack slot. Such slots ; have to be treated conservatively. ;CHECK-LABEL: twobod_b27903: ;YESCOLOR: subq $96, %rsp ;NOFIRSTUSE: subq $96, %rsp ;NOCOLOR: subq $96, %rsp define i32 @twobod_b27903(i32 %y, i32 %x) { entry: %buffer.i = alloca [12 x i32], align 16 %abc = alloca [12 x i32], align 16 call void @llvm.lifetime.start.p0(i64 48, ptr %buffer.i) %idxprom.i = sext i32 %y to i64 %arrayidx.i = getelementptr inbounds [12 x i32], ptr %buffer.i, i64 0, i64 %idxprom.i call void @inita(ptr %arrayidx.i) %add.i = add nsw i32 %x, %y call void @llvm.lifetime.end.p0(i64 48, ptr %buffer.i) %tobool = icmp eq i32 %y, 0 br i1 %tobool, label %if.end, label %if.then if.then: ; preds = %entry call void @llvm.lifetime.start.p0(i64 48, ptr %abc) %arrayidx = getelementptr inbounds [12 x i32], ptr %abc, i64 0, i64 %idxprom.i call void @inita(ptr %arrayidx) call void @llvm.lifetime.start.p0(i64 48, ptr %buffer.i) call void @inita(ptr %arrayidx.i) %add.i9 = add nsw i32 %add.i, %y call void @llvm.lifetime.end.p0(i64 48, ptr %buffer.i) call void @llvm.lifetime.end.p0(i64 48, ptr %abc) br label %if.end if.end: ; preds = %if.then, %entry %x.addr.0 = phi i32 [ %add.i9, %if.then ], [ %add.i, %entry ] ret i32 %x.addr.0 } ;CHECK-LABEL: multi_segment: ;YESCOLOR: subq $256, %rsp ;NOFIRSTUSE: subq $256, %rsp ;NOCOLOR: subq $512, %rsp define i1 @multi_segment(i1, i1) { entry-block: %foo = alloca [32 x i64] %bar = alloca [32 x i64] call void @llvm.lifetime.start.p0(i64 256, ptr %bar) call void @baz(ptr %bar, i32 1) call void @llvm.lifetime.end.p0(i64 256, ptr %bar) call void @llvm.lifetime.start.p0(i64 256, ptr %foo) call void @baz(ptr %foo, i32 1) call void @llvm.lifetime.end.p0(i64 256, ptr %foo) call void @llvm.lifetime.start.p0(i64 256, ptr %bar) call void @baz(ptr %bar, i32 1) call void @llvm.lifetime.end.p0(i64 256, ptr %bar) ret i1 true } ;CHECK-LABEL: pr32488: ;YESCOLOR: subq $256, %rsp ;NOFIRSTUSE: subq $256, %rsp ;NOCOLOR: subq $512, %rsp define i1 @pr32488(i1, i1) { entry-block: %foo = alloca [32 x i64] %bar = alloca [32 x i64] br i1 %0, label %if_false, label %if_true if_false: call void @llvm.lifetime.start.p0(i64 256, ptr %bar) call void @baz(ptr %bar, i32 0) br i1 %1, label %if_false.1, label %onerr if_false.1: call void @llvm.lifetime.end.p0(i64 256, ptr %bar) br label %merge if_true: call void @llvm.lifetime.start.p0(i64 256, ptr %foo) call void @baz(ptr %foo, i32 1) br i1 %1, label %if_true.1, label %onerr if_true.1: call void @llvm.lifetime.end.p0(i64 256, ptr %foo) br label %merge merge: ret i1 false onerr: call void @llvm.lifetime.end.p0(i64 256, ptr %foo) call void @llvm.lifetime.end.p0(i64 256, ptr %bar) call void @destructor() ret i1 true } %Data = type { [32 x i64] } declare void @destructor() declare void @inita(ptr) declare void @initb(ptr,ptr,ptr) declare void @bar(ptr , ptr) nounwind declare void @baz(ptr, i32) declare void @llvm.lifetime.start.p0(i64, ptr nocapture) nounwind declare void @llvm.lifetime.end.p0(i64, ptr nocapture) nounwind declare i32 @foo(i32, ptr)