; RUN: llc -o - %s | FileCheck %s ; Make sure RegAllocGreedy/SplitKit do not produce invalid liveness information ; and crash when splitting a liverange twice and rematerializing each time. ; (Sorry for the testcase; this was ran through bugpoint and then manually ; reduced for several hours but is still big...) target triple = "thumbv7-apple-ios" %struct.ham = type { %struct.wombat.0 } %struct.wombat.0 = type { %struct.barney } %struct.barney = type { %struct.snork.1 } %struct.snork.1 = type { %struct.wobble.2 } %struct.wobble.2 = type { %struct.blam } %struct.blam = type { i32, i32, i8* } %struct.ham.3 = type { %struct.pluto } %struct.pluto = type { %struct.zot*, %struct.snork.5, %struct.wibble } %struct.zot = type { %struct.blam.4* } %struct.blam.4 = type <{ %struct.zot, %struct.blam.4*, %struct.zot*, i8, [3 x i8] }> %struct.snork.5 = type { %struct.quux } %struct.quux = type { %struct.zot } %struct.wibble = type { %struct.widget } %struct.widget = type { i32 } %struct.bar = type { %struct.spam } %struct.spam = type { %struct.zot*, %struct.wobble, %struct.zot.7 } %struct.wobble = type { %struct.wibble.6 } %struct.wibble.6 = type { %struct.zot } %struct.zot.7 = type { %struct.ham.8 } %struct.ham.8 = type { i32 } %struct.hoge = type { %struct.ham, %struct.foo } %struct.foo = type { float, float } %struct.wombat = type { %struct.ham, float } %struct.snork = type { %struct.ham.9, [11 x i8] } %struct.ham.9 = type { i8 } @global = external global i8 @global.1 = private constant [20 x i8] c"aaaaaaaaaaaaaaaaaa0\00" @global.2 = external constant [27 x i8] @global.3 = external global %struct.ham @global.4 = external constant [47 x i8] @global.5 = external constant [61 x i8] @global.6 = external constant [40 x i8] @global.7 = external constant [24 x i8] @global.8 = external constant [20 x i8] @global.9 = external global %struct.ham @global.10 = external global %struct.ham @global.11 = external global %struct.ham @global.12 = external global %struct.ham @global.13 = external global %struct.ham @global.14 = external global %struct.ham @global.15 = external global %struct.ham @global.16 = external global %struct.ham @global.17 = external global %struct.ham @global.18 = external constant [35 x i8] @global.19 = external global %struct.ham @global.20 = external constant [53 x i8] @global.21 = external global %struct.ham @global.22 = external global %struct.ham @global.23 = external global %struct.ham @global.24 = external constant [32 x i8] @global.25 = external global %struct.ham @global.26 = external constant [47 x i8] @global.27 = external global %struct.ham @global.28 = external constant [45 x i8] @global.29 = external global %struct.ham @global.30 = external global %struct.ham @global.31 = external constant [24 x i8] @global.32 = external global %struct.ham @global.33 = external global %struct.ham @global.34 = external global %struct.ham @global.35 = external global %struct.ham @global.36 = external constant [27 x i8] @global.37 = external global %struct.ham @global.38 = external constant [10 x i8] @global.39 = external global %struct.ham @global.40 = external global %struct.ham @global.41 = external global %struct.ham @global.42 = external global %struct.ham @global.43 = external global %struct.ham @global.44 = external constant [41 x i8] @global.45 = external global %struct.ham @global.46 = external global %struct.ham @global.47 = external global %struct.ham @global.48 = external global %struct.ham @global.49 = external constant [52 x i8] @global.50 = external constant [47 x i8] @global.51 = external global %struct.ham @global.52 = external global %struct.ham @global.53 = external global %struct.ham @global.54 = external global %struct.ham @global.55 = external global %struct.ham.3 @global.56 = external global %struct.bar @global.57 = external global i8 declare %struct.ham* @bar(%struct.ham* returned) declare i32 @__cxa_atexit(void (i8*)*, i8*, i8*) declare %struct.ham* @wobble(%struct.ham* returned, %struct.ham* ) declare i32 @quux(...) declare i8* @_Znwm(i32) declare i32 @wobble.58(%struct.pluto*, [1 x i32], %struct.ham* , %struct.hoge* ) declare i32 @widget(%struct.spam*, [1 x i32], %struct.ham* , %struct.wombat* ) ; Just check we didn't crash and did output something... ; CHECK-LABEL: func: ; CHECK: trap define internal void @func() section "__TEXT,__StaticInit,regular,pure_instructions" personality i32 (...)* @quux { %tmp = tail call i32 @__cxa_atexit(void (i8*)* bitcast (%struct.ham* (%struct.ham*)* @bar to void (i8*)*), i8* bitcast (%struct.ham* @global.3 to i8*), i8* @global) #0 %tmp2 = invoke %struct.ham* @wobble(%struct.ham* undef, %struct.ham* @global.9) to label %bb14 unwind label %bbunwind bb14: %tmp15 = getelementptr i8, i8* undef, i32 12 store i8 0, i8* %tmp15 %tmp16 = icmp eq i8 undef, 0 br i1 %tmp16, label %bb28, label %bb18 bb18: br i1 undef, label %bb21, label %bb29 bb21: %tmp22 = call i8* @_Znwm(i32 16) store i32 17, i32* getelementptr (%struct.ham, %struct.ham* @global.10, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0) %tmp23 = call i8* @_Znwm(i32 32) call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 undef, i8* align 1 getelementptr ([27 x i8], [27 x i8]* @global.2, i32 0, i32 0), i32 26, i1 false) store i32 33, i32* getelementptr (%struct.ham, %struct.ham* @global.11, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0) store i32 23, i32* getelementptr (%struct.ham, %struct.ham* @global.11, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1) call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 undef, i8* align 1 getelementptr ([24 x i8], [24 x i8]* @global.7, i32 0, i32 0), i32 23, i1 false) %tmp24 = call i32 @__cxa_atexit(void (i8*)* bitcast (%struct.ham* (%struct.ham*)* @bar to void (i8*)*), i8* bitcast (%struct.ham* @global.11 to i8*), i8* @global) #0 store i32 49, i32* getelementptr (%struct.ham, %struct.ham* @global.12, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0) store i32 37, i32* getelementptr (%struct.ham, %struct.ham* @global.13, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1) call void @llvm.memset.p0i8.i32(i8* align 4 bitcast (%struct.ham* @global.14 to i8*), i8 0, i32 12, i1 false) %tmp25 = call i8* @_Znwm(i32 48) call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %tmp25, i8* align 1 getelementptr ([40 x i8], [40 x i8]* @global.6, i32 0, i32 0), i32 39, i1 false) call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 undef, i8* align 1 getelementptr ([47 x i8], [47 x i8]* @global.4, i32 0, i32 0), i32 46, i1 false) call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 undef, i8* align 1 getelementptr ([61 x i8], [61 x i8]* @global.5, i32 0, i32 0), i32 60, i1 false) %tmp26 = call i8* @_Znwm(i32 48) store i32 65, i32* getelementptr (%struct.ham, %struct.ham* @global.15, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0) %tmp27 = icmp eq i8 undef, 0 br i1 %tmp27, label %bb30, label %bb33 bb28: call void @llvm.trap() unreachable bb29: call void @llvm.trap() unreachable bb30: %tmp31 = icmp eq i32 undef, 37 br i1 %tmp31, label %bb32, label %bb30 bb32: store i8 1, i8* @global.57 br label %bb33 bb33: %tmp34 = call i8* @_Znwm(i32 32) call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 undef, i8* align 1 getelementptr ([20 x i8], [20 x i8]* @global.1, i32 0, i32 0), i32 19, i1 false) store i32 17, i32* getelementptr (%struct.ham, %struct.ham* @global.16, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0) store i32 65, i32* getelementptr (%struct.ham, %struct.ham* @global.17, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0) call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 undef, i8* align 1 getelementptr ([35 x i8], [35 x i8]* @global.18, i32 0, i32 0), i32 34, i1 false) store i32 65, i32* getelementptr (%struct.ham, %struct.ham* @global.19, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0) call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 undef, i8* align 1 getelementptr ([53 x i8], [53 x i8]* @global.20, i32 0, i32 0), i32 52, i1 false) call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 undef, i8* align 1 getelementptr ([20 x i8], [20 x i8]* @global.8, i32 0, i32 0), i32 19, i1 false) store i32 37, i32* getelementptr (%struct.ham, %struct.ham* @global.21, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1) %tmp35 = call i8* @_Znwm(i32 32) store i8 16, i8* bitcast (%struct.ham* @global.22 to i8*) %tmp36 = call i8* @_Znwm(i32 32) store i32 31, i32* getelementptr (%struct.ham, %struct.ham* @global.23, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1) call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %tmp36, i8* align 1 getelementptr ([32 x i8], [32 x i8]* @global.24, i32 0, i32 0), i32 31, i1 false) %tmp37 = getelementptr i8, i8* %tmp36, i32 31 store i8 0, i8* %tmp37 call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 undef, i8* align 1 getelementptr ([47 x i8], [47 x i8]* @global.26, i32 0, i32 0), i32 46, i1 false) %tmp38 = call i32 @__cxa_atexit(void (i8*)* bitcast (%struct.ham* (%struct.ham*)* @bar to void (i8*)*), i8* bitcast (%struct.ham* @global.25 to i8*), i8* @global) #0 %tmp39 = call i8* @_Znwm(i32 48) store i32 44, i32* getelementptr (%struct.ham, %struct.ham* @global.27, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1) call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %tmp39, i8* align 1 getelementptr ([45 x i8], [45 x i8]* @global.28, i32 0, i32 0), i32 44, i1 false) %tmp40 = getelementptr i8, i8* %tmp39, i32 44 store i8 0, i8* %tmp40 call void @llvm.memset.p0i8.i32(i8* align 4 bitcast (%struct.ham* @global.29 to i8*), i8 0, i32 12, i1 false) %tmp41 = call i8* @_Znwm(i32 32) store i32 23, i32* getelementptr (%struct.ham, %struct.ham* @global.30, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1) call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %tmp41, i8* align 1 getelementptr ([24 x i8], [24 x i8]* @global.31, i32 0, i32 0), i32 23, i1 false) %tmp42 = getelementptr i8, i8* %tmp41, i32 23 store i8 0, i8* %tmp42 call void @llvm.memset.p0i8.i32(i8* align 4 bitcast (%struct.ham* @global.32 to i8*), i8 0, i32 12, i1 false) store i8 16, i8* bitcast (%struct.ham* @global.32 to i8*) %tmp43 = call i32 @__cxa_atexit(void (i8*)* bitcast (%struct.ham* (%struct.ham*)* @bar to void (i8*)*), i8* bitcast (%struct.ham* @global.33 to i8*), i8* @global) #0 %tmp44 = call i8* @_Znwm(i32 16) call void @llvm.memset.p0i8.i32(i8* align 4 bitcast (%struct.ham* @global.34 to i8*), i8 0, i32 12, i1 false) call void @llvm.memset.p0i8.i32(i8* align 4 bitcast (%struct.ham* @global.9 to i8*), i8 0, i32 12, i1 false) %tmp45 = call i8* @_Znwm(i32 32) call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %tmp45, i8* align 1 getelementptr ([27 x i8], [27 x i8]* @global.36, i32 0, i32 0), i32 26, i1 false) call void @llvm.memset.p0i8.i32(i8* align 4 bitcast (%struct.ham* @global.37 to i8*), i8 0, i32 12, i1 false) call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 getelementptr (%struct.snork, %struct.snork* bitcast (%struct.ham* @global.37 to %struct.snork*), i32 0, i32 1, i32 0), i8* align 1 getelementptr ([10 x i8], [10 x i8]* @global.38, i32 0, i32 0), i32 9, i1 false) store i32 17, i32* getelementptr (%struct.ham, %struct.ham* @global.39, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0) %tmp46 = call i32 @__cxa_atexit(void (i8*)* bitcast (%struct.ham* (%struct.ham*)* @bar to void (i8*)*), i8* bitcast (%struct.ham* @global.40 to i8*), i8* @global) #0 %tmp47 = call i8* @_Znwm(i32 32) %tmp48 = getelementptr i8, i8* %tmp47, i32 21 store i8 0, i8* %tmp48 store i32 33, i32* getelementptr (%struct.ham, %struct.ham* @global.41, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0) store i32 15, i32* getelementptr (%struct.ham, %struct.ham* @global.42, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1) %tmp49 = call i32 @__cxa_atexit(void (i8*)* bitcast (%struct.ham* (%struct.ham*)* @bar to void (i8*)*), i8* bitcast (%struct.ham* @global.43 to i8*), i8* @global) #0 call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 undef, i8* align 1 getelementptr ([41 x i8], [41 x i8]* @global.44, i32 0, i32 0), i32 40, i1 false) %tmp50 = call i32 @__cxa_atexit(void (i8*)* bitcast (%struct.ham* (%struct.ham*)* @bar to void (i8*)*), i8* bitcast (%struct.ham* @global.45 to i8*), i8* @global) #0 %tmp51 = call i32 @__cxa_atexit(void (i8*)* bitcast (%struct.ham* (%struct.ham*)* @bar to void (i8*)*), i8* bitcast (%struct.ham* @global.46 to i8*), i8* @global) #0 %tmp52 = call i8* @_Znwm(i32 32) store i8* %tmp52, i8** getelementptr (%struct.ham, %struct.ham* @global.47, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 2) call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 undef, i8* align 1 getelementptr ([52 x i8], [52 x i8]* @global.49, i32 0, i32 0), i32 51, i1 false) %tmp53 = call i32 @__cxa_atexit(void (i8*)* bitcast (%struct.ham* (%struct.ham*)* @bar to void (i8*)*), i8* bitcast (%struct.ham* @global.48 to i8*), i8* @global) #0 call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 undef, i8* align 1 getelementptr ([47 x i8], [47 x i8]* @global.50, i32 0, i32 0), i32 46, i1 false) store i32 33, i32* getelementptr (%struct.ham, %struct.ham* @global.51, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0) store i32 37, i32* getelementptr (%struct.ham, %struct.ham* @global.52, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1) %tmp54 = invoke %struct.ham* @wobble(%struct.ham* undef, %struct.ham* @global.54) to label %bb58 unwind label %bbunwind bb58: %tmp59 = invoke i32 @wobble.58(%struct.pluto* getelementptr (%struct.ham.3, %struct.ham.3* @global.55, i32 0, i32 0), [1 x i32] [i32 ptrtoint (%struct.zot* getelementptr (%struct.ham.3, %struct.ham.3* @global.55, i32 0, i32 0, i32 1, i32 0, i32 0) to i32)], %struct.ham* undef, %struct.hoge* undef) to label %bb71 unwind label %bbunwind bb71: %tmp72 = invoke i32 @widget(%struct.spam* getelementptr (%struct.bar, %struct.bar* @global.56, i32 0, i32 0), [1 x i32] [i32 ptrtoint (%struct.zot* getelementptr (%struct.bar, %struct.bar* @global.56, i32 0, i32 0, i32 1, i32 0, i32 0) to i32)], %struct.ham* undef, %struct.wombat* undef) to label %bb73 unwind label %bbunwind bb73: ret void bbunwind: %tmp75 = landingpad { i8*, i32 } cleanup resume { i8*, i32 } undef } declare void @llvm.trap() declare void @llvm.memcpy.p0i8.p0i8.i32(i8* , i8* , i32, i1) declare void @llvm.memset.p0i8.i32(i8* , i8, i32, i1) attributes #0 = { nounwind }