; RUN: llc -mcpu=corei7 -no-stack-coloring=false < %s | FileCheck %s --check-prefix=YESCOLOR ; RUN: llc -mcpu=corei7 -no-stack-coloring=true < %s | FileCheck %s --check-prefix=NOCOLOR 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" ;YESCOLOR: subq $144, %rsp ;NOCOLOR: subq $272, %rsp define i32 @myCall_w2(i32 %in) { entry: %a = alloca [17 x i8*], align 8 %a2 = alloca [16 x i8*], align 8 %b = bitcast [17 x i8*]* %a to i8* %b2 = bitcast [16 x i8*]* %a2 to i8* call void @llvm.lifetime.start(i64 -1, i8* %b) %t1 = call i32 @foo(i32 %in, i8* %b) %t2 = call i32 @foo(i32 %in, i8* %b) call void @llvm.lifetime.end(i64 -1, i8* %b) call void @llvm.lifetime.start(i64 -1, i8* %b2) %t3 = call i32 @foo(i32 %in, i8* %b2) %t4 = call i32 @foo(i32 %in, i8* %b2) call void @llvm.lifetime.end(i64 -1, i8* %b2) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 ret i32 %t7 } ;YESCOLOR: subq $272, %rsp ;NOCOLOR: subq $272, %rsp define i32 @myCall2_no_merge(i32 %in, i1 %d) { entry: %a = alloca [17 x i8*], align 8 %a2 = alloca [16 x i8*], align 8 %b = bitcast [17 x i8*]* %a to i8* %b2 = bitcast [16 x i8*]* %a2 to i8* call void @llvm.lifetime.start(i64 -1, i8* %b) %t1 = call i32 @foo(i32 %in, i8* %b) %t2 = call i32 @foo(i32 %in, i8* %b) br i1 %d, label %bb2, label %bb3 bb2: call void @llvm.lifetime.start(i64 -1, i8* %b2) %t3 = call i32 @foo(i32 %in, i8* %b2) %t4 = call i32 @foo(i32 %in, i8* %b2) call void @llvm.lifetime.end(i64 -1, i8* %b2) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 call void @llvm.lifetime.end(i64 -1, i8* %b) ret i32 %t7 bb3: call void @llvm.lifetime.end(i64 -1, i8* %b) ret i32 0 } ;YESCOLOR: subq $144, %rsp ;NOCOLOR: subq $272, %rsp define i32 @myCall2_w2(i32 %in, i1 %d) { entry: %a = alloca [17 x i8*], align 8 %a2 = alloca [16 x i8*], align 8 %b = bitcast [17 x i8*]* %a to i8* %b2 = bitcast [16 x i8*]* %a2 to i8* call void @llvm.lifetime.start(i64 -1, i8* %b) %t1 = call i32 @foo(i32 %in, i8* %b) %t2 = call i32 @foo(i32 %in, i8* %b) call void @llvm.lifetime.end(i64 -1, i8* %b) br i1 %d, label %bb2, label %bb3 bb2: call void @llvm.lifetime.start(i64 -1, i8* %b2) %t3 = call i32 @foo(i32 %in, i8* %b2) %t4 = call i32 @foo(i32 %in, i8* %b2) call void @llvm.lifetime.end(i64 -1, i8* %b2) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 ret i32 %t7 bb3: ret i32 0 } ;YESCOLOR: subq $200, %rsp ;NOCOLOR: subq $408, %rsp define i32 @myCall_w4(i32 %in) { entry: %a1 = alloca [14 x i8*], align 8 %a2 = alloca [13 x i8*], align 8 %a3 = alloca [12 x i8*], align 8 %a4 = alloca [11 x i8*], align 8 %b1 = bitcast [14 x i8*]* %a1 to i8* %b2 = bitcast [13 x i8*]* %a2 to i8* %b3 = bitcast [12 x i8*]* %a3 to i8* %b4 = bitcast [11 x i8*]* %a4 to i8* call void @llvm.lifetime.start(i64 -1, i8* %b4) call void @llvm.lifetime.start(i64 -1, i8* %b1) %t1 = call i32 @foo(i32 %in, i8* %b1) %t2 = call i32 @foo(i32 %in, i8* %b1) call void @llvm.lifetime.end(i64 -1, i8* %b1) call void @llvm.lifetime.start(i64 -1, i8* %b2) %t9 = call i32 @foo(i32 %in, i8* %b2) %t8 = call i32 @foo(i32 %in, i8* %b2) call void @llvm.lifetime.end(i64 -1, i8* %b2) call void @llvm.lifetime.start(i64 -1, i8* %b3) %t3 = call i32 @foo(i32 %in, i8* %b3) %t4 = call i32 @foo(i32 %in, i8* %b3) call void @llvm.lifetime.end(i64 -1, i8* %b3) %t11 = call i32 @foo(i32 %in, i8* %b4) call void @llvm.lifetime.end(i64 -1, i8* %b4) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 ret i32 %t7 } ;YESCOLOR: subq $112, %rsp ;NOCOLOR: subq $400, %rsp define i32 @myCall2_w4(i32 %in) { entry: %a1 = alloca [14 x i8*], align 8 %a2 = alloca [13 x i8*], align 8 %a3 = alloca [12 x i8*], align 8 %a4 = alloca [11 x i8*], align 8 %b1 = bitcast [14 x i8*]* %a1 to i8* %b2 = bitcast [13 x i8*]* %a2 to i8* %b3 = bitcast [12 x i8*]* %a3 to i8* %b4 = bitcast [11 x i8*]* %a4 to i8* call void @llvm.lifetime.start(i64 -1, i8* %b1) %t1 = call i32 @foo(i32 %in, i8* %b1) %t2 = call i32 @foo(i32 %in, i8* %b1) call void @llvm.lifetime.end(i64 -1, i8* %b1) call void @llvm.lifetime.start(i64 -1, i8* %b2) %t9 = call i32 @foo(i32 %in, i8* %b2) %t8 = call i32 @foo(i32 %in, i8* %b2) call void @llvm.lifetime.end(i64 -1, i8* %b2) call void @llvm.lifetime.start(i64 -1, i8* %b3) %t3 = call i32 @foo(i32 %in, i8* %b3) %t4 = call i32 @foo(i32 %in, i8* %b3) call void @llvm.lifetime.end(i64 -1, i8* %b3) br i1 undef, label %bb2, label %bb3 bb2: call void @llvm.lifetime.start(i64 -1, i8* %b4) %t11 = call i32 @foo(i32 %in, i8* %b4) call void @llvm.lifetime.end(i64 -1, i8* %b4) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 ret i32 %t7 bb3: ret i32 0 } ;YESCOLOR: subq $144, %rsp ;NOCOLOR: subq $272, %rsp define i32 @myCall2_noend(i32 %in, i1 %d) { entry: %a = alloca [17 x i8*], align 8 %a2 = alloca [16 x i8*], align 8 %b = bitcast [17 x i8*]* %a to i8* %b2 = bitcast [16 x i8*]* %a2 to i8* call void @llvm.lifetime.start(i64 -1, i8* %b) %t1 = call i32 @foo(i32 %in, i8* %b) %t2 = call i32 @foo(i32 %in, i8* %b) call void @llvm.lifetime.end(i64 -1, i8* %b) br i1 %d, label %bb2, label %bb3 bb2: call void @llvm.lifetime.start(i64 -1, i8* %b2) %t3 = call i32 @foo(i32 %in, i8* %b2) %t4 = call i32 @foo(i32 %in, i8* %b2) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 ret i32 %t7 bb3: ret i32 0 } ;YESCOLOR: subq $144, %rsp ;NOCOLOR: subq $272, %rsp define i32 @myCall2_noend2(i32 %in, i1 %d) { entry: %a = alloca [17 x i8*], align 8 %a2 = alloca [16 x i8*], align 8 %b = bitcast [17 x i8*]* %a to i8* %b2 = bitcast [16 x i8*]* %a2 to i8* call void @llvm.lifetime.start(i64 -1, i8* %b) %t1 = call i32 @foo(i32 %in, i8* %b) %t2 = call i32 @foo(i32 %in, i8* %b) br i1 %d, label %bb2, label %bb3 bb2: call void @llvm.lifetime.end(i64 -1, i8* %b) call void @llvm.lifetime.start(i64 -1, i8* %b2) %t3 = call i32 @foo(i32 %in, i8* %b2) %t4 = call i32 @foo(i32 %in, i8* %b2) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 ret i32 %t7 bb3: ret i32 0 } ;YESCOLOR: subq $144, %rsp ;NOCOLOR: subq $272, %rsp define i32 @myCall2_nostart(i32 %in, i1 %d) { entry: %a = alloca [17 x i8*], align 8 %a2 = alloca [16 x i8*], align 8 %b = bitcast [17 x i8*]* %a to i8* %b2 = bitcast [16 x i8*]* %a2 to i8* %t1 = call i32 @foo(i32 %in, i8* %b) %t2 = call i32 @foo(i32 %in, i8* %b) call void @llvm.lifetime.end(i64 -1, i8* %b) br i1 %d, label %bb2, label %bb3 bb2: call void @llvm.lifetime.start(i64 -1, i8* %b2) %t3 = call i32 @foo(i32 %in, i8* %b2) %t4 = call i32 @foo(i32 %in, i8* %b2) %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' ;YESCOLOR: subq $816, %rsp ;NOCOLOR: subq $1616, %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 %0 = bitcast [100 x i32]* %A.i to i8* call void @llvm.lifetime.start(i64 -1, i8* %0) nounwind %1 = bitcast [100 x i32]* %B.i to i8* call void @llvm.lifetime.start(i64 -1, i8* %1) nounwind call void @bar([100 x i32]* %A.i, [100 x i32]* %B.i) nounwind call void @llvm.lifetime.end(i64 -1, i8* %0) nounwind call void @llvm.lifetime.end(i64 -1, i8* %1) nounwind %2 = bitcast [100 x i32]* %A.i1 to i8* call void @llvm.lifetime.start(i64 -1, i8* %2) nounwind %3 = bitcast [100 x i32]* %B.i2 to i8* call void @llvm.lifetime.start(i64 -1, i8* %3) nounwind call void @bar([100 x i32]* %A.i1, [100 x i32]* %B.i2) nounwind call void @llvm.lifetime.end(i64 -1, i8* %2) nounwind call void @llvm.lifetime.end(i64 -1, i8* %3) nounwind ret void } ;YESCOLOR: subq $272, %rsp ;NOCOLOR: subq $272, %rsp define i32 @func_phi_lifetime(i32 %in, i1 %d) { entry: %a = alloca [17 x i8*], align 8 %a2 = alloca [16 x i8*], align 8 %b = bitcast [17 x i8*]* %a to i8* %b2 = bitcast [16 x i8*]* %a2 to i8* %t1 = call i32 @foo(i32 %in, i8* %b) %t2 = call i32 @foo(i32 %in, i8* %b) call void @llvm.lifetime.end(i64 -1, i8* %b) br i1 %d, label %bb0, label %bb1 bb0: %I1 = bitcast [17 x i8*]* %a to i8* br label %bb2 bb1: %I2 = bitcast [16 x i8*]* %a2 to i8* br label %bb2 bb2: %split = phi i8* [ %I1, %bb0 ], [ %I2, %bb1 ] call void @llvm.lifetime.start(i64 -1, i8* %split) %t3 = call i32 @foo(i32 %in, i8* %b2) %t4 = call i32 @foo(i32 %in, i8* %b2) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 call void @llvm.lifetime.end(i64 -1, i8* %split) ret i32 %t7 bb3: ret i32 0 } ;YESCOLOR-LABEL: multi_region_bb: ;NOCOLOR-LABEL: multi_region_bb: 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 %0 = bitcast [100 x i32]* %A.i to i8* call void @llvm.lifetime.start(i64 -1, i8* %0) nounwind ; <---- start #1 %1 = bitcast [100 x i32]* %B.i to i8* call void @llvm.lifetime.start(i64 -1, i8* %1) nounwind call void @bar([100 x i32]* %A.i, [100 x i32]* %B.i) nounwind call void @llvm.lifetime.end(i64 -1, i8* %0) nounwind call void @llvm.lifetime.end(i64 -1, i8* %1) nounwind %2 = bitcast [100 x i32]* %A.i1 to i8* call void @llvm.lifetime.start(i64 -1, i8* %2) nounwind %3 = bitcast [100 x i32]* %B.i2 to i8* call void @llvm.lifetime.start(i64 -1, i8* %3) nounwind call void @llvm.lifetime.start(i64 -1, i8* %0) nounwind ; <---- start #2 call void @bar([100 x i32]* %A.i1, [100 x i32]* %B.i2) nounwind call void @llvm.lifetime.end(i64 -1, i8* %2) nounwind call void @llvm.lifetime.end(i64 -1, i8* %0) nounwind call void @llvm.lifetime.end(i64 -1, i8* %3) nounwind ret void } ;YESCOLOR: subq $272, %rsp ;NOCOLOR: subq $272, %rsp define i32 @myCall_end_before_begin(i32 %in, i1 %d) { entry: %a = alloca [17 x i8*], align 8 %a2 = alloca [16 x i8*], align 8 %b = bitcast [17 x i8*]* %a to i8* %b2 = bitcast [16 x i8*]* %a2 to i8* %t1 = call i32 @foo(i32 %in, i8* %b) %t2 = call i32 @foo(i32 %in, i8* %b) call void @llvm.lifetime.end(i64 -1, i8* %b) call void @llvm.lifetime.start(i64 -1, i8* %b) br i1 %d, label %bb2, label %bb3 bb2: call void @llvm.lifetime.start(i64 -1, i8* %b2) %t3 = call i32 @foo(i32 %in, i8* %b2) %t4 = call i32 @foo(i32 %in, i8* %b2) %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. ;YESCOLOR-LABEL: myCall_pr15707: ;YESCOLOR: subq $200008, %rsp ;NOCOLOR-LABEL: myCall_pr15707: ;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(i64 -1, i8* %buf1) call void @llvm.lifetime.end(i64 -1, i8* %buf1) call void @llvm.lifetime.start(i64 -1, i8* %buf1) call void @llvm.lifetime.start(i64 -1, i8* %buf2) %result1 = call i32 @foo(i32 0, i8* %buf1) %result2 = call i32 @foo(i32 0, i8* %buf2) ret void } ; Check that we don't assert and crash even when there are allocas ; outside the declared lifetime regions. ;YESCOLOR-LABEL: bad_range: ;NOCOLOR-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 %0 = bitcast [100 x i32]* %A.i to i8* call void @llvm.lifetime.start(i64 -1, i8* %0) nounwind %1 = bitcast [100 x i32]* %B.i to i8* call void @llvm.lifetime.start(i64 -1, i8* %1) nounwind call void @bar([100 x i32]* %A.i, [100 x i32]* %B.i) nounwind call void @llvm.lifetime.end(i64 -1, i8* %0) nounwind call void @llvm.lifetime.end(i64 -1, i8* %1) nounwind br label %block2 block2: ; I am used outside the marked lifetime. call void @bar([100 x i32]* %A.i, [100 x i32]* %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. ;YESCOLOR-LABEL: shady_range: ;NOCOLOR-LABEL: shady_range: %struct.Klass = type { i32, i32 } define i32 @shady_range(i32 %argc, i8** nocapture %argv) uwtable { %a.i = alloca [4 x %struct.Klass], align 16 %b.i = alloca [4 x %struct.Klass], align 16 %a8 = bitcast [4 x %struct.Klass]* %a.i to i8* %b8 = bitcast [4 x %struct.Klass]* %b.i to i8* ; I am used outside the lifetime zone below: %z2 = getelementptr inbounds [4 x %struct.Klass], [4 x %struct.Klass]* %a.i, i64 0, i64 0, i32 0 call void @llvm.lifetime.start(i64 -1, i8* %a8) call void @llvm.lifetime.start(i64 -1, i8* %b8) %z3 = load i32, i32* %z2, align 16 %r = call i32 @foo(i32 %z3, i8* %a8) %r2 = call i32 @foo(i32 %z3, i8* %b8) call void @llvm.lifetime.end(i64 -1, i8* %a8) call void @llvm.lifetime.end(i64 -1, i8* %b8) ret i32 9 } declare void @bar([100 x i32]* , [100 x i32]*) nounwind declare void @llvm.lifetime.start(i64, i8* nocapture) nounwind declare void @llvm.lifetime.end(i64, i8* nocapture) nounwind declare i32 @foo(i32, i8*)