1; RUN: opt < %s -mtriple=x86_64 -internalize -internalize-public-api-list main -internalize-public-api-list c1 -internalize-public-api-list c2 \ 2; RUN: -internalize-public-api-list c3 -internalize-public-api-list c4 -S | FileCheck %s --check-prefixes=CHECK,NODUP 3; RUN: opt < %s -mtriple=x86_64-windows -internalize -internalize-public-api-list main -internalize-public-api-list c1 -internalize-public-api-list c2 \ 4; RUN: -internalize-public-api-list c3 -internalize-public-api-list c4 -S | FileCheck %s --check-prefixes=CHECK,NODUP 5; RUN: opt < %s -mtriple=wasm32 -internalize -internalize-public-api-list main -internalize-public-api-list c1 -internalize-public-api-list c2 \ 6; RUN: -internalize-public-api-list c3 -internalize-public-api-list c4 -S | FileCheck %s --check-prefixes=CHECK,WASM 7 8$c1 = comdat any 9$c2 = comdat any 10$c3 = comdat any 11$c4 = comdat any 12$c5 = comdat any 13 14; CHECK: $c1 = comdat any 15 16;; wasm doesn't support nodeduplicate. 17; NODUP: $c2 = comdat nodeduplicate 18; WASM: $c2 = comdat any 19 20; CHECK: $c3 = comdat any 21; CHECK: $c4 = comdat any 22 23; CHECK: @c1_c = global i32 0, comdat($c1) 24@c1_c = global i32 0, comdat($c1) 25 26;; $c2 has more than one member. Keep the comdat. 27; CHECK: @c2_b = internal global i32 0, comdat($c2) 28@c2_b = global i32 0, comdat($c2) 29 30; CHECK: @c3 = global i32 0, comdat{{$}} 31@c3 = global i32 0, comdat 32 33; CHECK: @c4_a = internal global i32 0, comdat($c4) 34@c4_a = internal global i32 0, comdat($c4) 35 36; CHECK: @c1_d = alias i32, i32* @c1_c 37@c1_d = alias i32, i32* @c1_c 38 39; CHECK: @c2_c = internal alias i32, i32* @c2_b 40@c2_c = alias i32, i32* @c2_b 41 42; CHECK: @c4 = alias i32, i32* @c4_a 43@c4 = alias i32, i32* @c4_a 44 45; CHECK: define void @c1() comdat { 46define void @c1() comdat { 47 ret void 48} 49 50; CHECK: define void @c1_a() comdat($c1) { 51define void @c1_a() comdat($c1) { 52 ret void 53} 54 55; CHECK: define internal void @c2() comdat { 56define internal void @c2() comdat { 57 ret void 58} 59 60; CHECK: define internal void @c2_a() comdat($c2) { 61define void @c2_a() comdat($c2) { 62 ret void 63} 64 65; CHECK: define void @c3_a() comdat($c3) { 66define void @c3_a() comdat($c3) { 67 ret void 68} 69 70;; There is only one member in the comdat. Delete the comdat as a size optimization. 71; CHECK: define internal void @c5() { 72define void @c5() comdat($c5) { 73 ret void 74} 75 76;; Add a non-comdat symbol to ensure the module ID is not empty so that we can 77;; create unique comdat names. 78define void @main() { 79 ret void 80} 81