196a14f38SNikita Popov; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 22a1ac2e3SSjoerd Meijer 30fd03febSChuanqi Xu; Test function specialization wouldn't crash due to constant expression. 40fd03febSChuanqi Xu; Note that this test case shows that function specialization pass would 50fd03febSChuanqi Xu; transform the function even if no specialization happened. 60fd03febSChuanqi Xu 706664fdcSHari Limaye; RUN: opt -passes="ipsccp<func-spec>" -force-specialization -funcspec-for-literal-constant=false -S < %s | FileCheck %s 896a14f38SNikita Popov 90fd03febSChuanqi Xu%struct = type { i8, i16, i32, i64, i64} 100fd03febSChuanqi Xu@Global = internal constant %struct {i8 0, i16 1, i32 2, i64 3, i64 4} 112a1ac2e3SSjoerd Meijer 12ebdf5aefSMatt Arsenaultdefine internal i64 @func2(ptr %x) { 13eba76056SSjoerd Meijerentry: 14ebdf5aefSMatt Arsenault %val = ptrtoint ptr %x to i64 15eba76056SSjoerd Meijer ret i64 %val 16eba76056SSjoerd Meijer} 17eba76056SSjoerd Meijer 18ebdf5aefSMatt Arsenaultdefine internal i64 @func(ptr %x, ptr %binop) { 19eba76056SSjoerd Meijer; CHECK-LABEL: @func( 20eba76056SSjoerd Meijer; CHECK-NEXT: entry: 218136a017SAlexandros Lamprineas; CHECK-NEXT: unreachable 22eba76056SSjoerd Meijer; 23eba76056SSjoerd Meijerentry: 24ebdf5aefSMatt Arsenault %tmp0 = call i64 %binop(ptr %x) 25eba76056SSjoerd Meijer ret i64 %tmp0 26eba76056SSjoerd Meijer} 27eba76056SSjoerd Meijer 280fd03febSChuanqi Xudefine internal i64 @zoo(i1 %flag) { 2996a14f38SNikita Popov; CHECK-LABEL: @zoo( 3096a14f38SNikita Popov; CHECK-NEXT: entry: 3196a14f38SNikita Popov; CHECK-NEXT: br i1 [[FLAG:%.*]], label [[PLUS:%.*]], label [[MINUS:%.*]] 3296a14f38SNikita Popov; CHECK: plus: 33*10f315dcSNikita Popov; CHECK-NEXT: [[TMP0:%.*]] = call i64 @func2.specialized.2(ptr getelementptr inbounds nuw (i8, ptr @Global, i64 8)) 3496a14f38SNikita Popov; CHECK-NEXT: br label [[MERGE:%.*]] 3596a14f38SNikita Popov; CHECK: minus: 36*10f315dcSNikita Popov; CHECK-NEXT: [[TMP1:%.*]] = call i64 @func2.specialized.1(ptr getelementptr inbounds nuw (i8, ptr @Global, i64 16)) 3796a14f38SNikita Popov; CHECK-NEXT: br label [[MERGE]] 3896a14f38SNikita Popov; CHECK: merge: 39*10f315dcSNikita Popov; CHECK-NEXT: [[TMP2:%.*]] = phi i64 [ ptrtoint (ptr getelementptr inbounds nuw (i8, ptr @Global, i64 8) to i64), [[PLUS]] ], [ ptrtoint (ptr getelementptr inbounds nuw (i8, ptr @Global, i64 16) to i64), [[MINUS]] ] 4096a14f38SNikita Popov; CHECK-NEXT: ret i64 [[TMP2]] 4196a14f38SNikita Popov; 420fd03febSChuanqi Xuentry: 430fd03febSChuanqi Xu br i1 %flag, label %plus, label %minus 440fd03febSChuanqi Xu 450fd03febSChuanqi Xuplus: 46ebdf5aefSMatt Arsenault %arg = getelementptr %struct, ptr @Global, i32 0, i32 3 47ebdf5aefSMatt Arsenault %tmp0 = call i64 @func2(ptr %arg) 480fd03febSChuanqi Xu br label %merge 490fd03febSChuanqi Xu 500fd03febSChuanqi Xuminus: 51ebdf5aefSMatt Arsenault %arg2 = getelementptr %struct, ptr @Global, i32 0, i32 4 52ebdf5aefSMatt Arsenault %tmp1 = call i64 @func2(ptr %arg2) 530fd03febSChuanqi Xu br label %merge 540fd03febSChuanqi Xu 550fd03febSChuanqi Xumerge: 560fd03febSChuanqi Xu %tmp2 = phi i64 [ %tmp0, %plus ], [ %tmp1, %minus] 570fd03febSChuanqi Xu ret i64 %tmp2 580fd03febSChuanqi Xu} 590fd03febSChuanqi Xu 600fd03febSChuanqi Xu 610fd03febSChuanqi Xudefine i64 @main() { 622a1ac2e3SSjoerd Meijer; CHECK-LABEL: @main( 6396a14f38SNikita Popov; CHECK-NEXT: [[TMP1:%.*]] = call i64 @zoo(i1 false) 6496a14f38SNikita Popov; CHECK-NEXT: [[TMP2:%.*]] = call i64 @zoo(i1 true) 6596a14f38SNikita Popov; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[TMP1]], [[TMP2]] 6696a14f38SNikita Popov; CHECK-NEXT: ret i64 [[TMP3]] 672a1ac2e3SSjoerd Meijer; 680fd03febSChuanqi Xu %1 = call i64 @zoo(i1 0) 690fd03febSChuanqi Xu %2 = call i64 @zoo(i1 1) 700fd03febSChuanqi Xu %3 = add i64 %1, %2 710fd03febSChuanqi Xu ret i64 %3 720fd03febSChuanqi Xu} 7354e5fb78SAlexandros Lamprineas 74