1; RUN: llc < %s -asm-verbose=false -wasm-keep-registers | FileCheck %s 2 3; Test that constant offsets can be folded into global addresses. 4 5target triple = "wasm32-unknown-unknown" 6 7@x = external dso_local global [0 x i32] 8@y = dso_local global [50 x i32] zeroinitializer 9 10; Test basic constant offsets of both defined and external symbols. 11 12; CHECK-LABEL: test0: 13; CHECK-NEXT: .functype test0 () -> (i32){{$}} 14; CHECK-NEXT: i32.const $push0=, x+188{{$}} 15; CHECK=NEXT: return $pop0{{$}} 16define dso_local ptr @test0() { 17 ret ptr getelementptr ([0 x i32], ptr @x, i32 0, i32 47) 18} 19 20; CHECK-LABEL: test1: 21; CHECK-NEXT: .functype test1 () -> (i32){{$}} 22; CHECK-NEXT: i32.const $push0=, y+188{{$}} 23; CHECK=NEXT: return $pop0{{$}} 24define dso_local ptr @test1() { 25 ret ptr getelementptr ([50 x i32], ptr @y, i32 0, i32 47) 26} 27 28; Test zero offsets. 29 30; CHECK-LABEL: test2: 31; CHECK-NEXT: .functype test2 () -> (i32){{$}} 32; CHECK-NEXT: i32.const $push0=, x{{$}} 33; CHECK=NEXT: return $pop0{{$}} 34define dso_local ptr @test2() { 35 ret ptr @x 36} 37 38; CHECK-LABEL: test3: 39; CHECK-NEXT: .functype test3 () -> (i32){{$}} 40; CHECK-NEXT: i32.const $push0=, y{{$}} 41; CHECK=NEXT: return $pop0{{$}} 42define dso_local ptr @test3() { 43 ret ptr @y 44} 45 46; Test negative offsets. 47 48; CHECK-LABEL: test4: 49; CHECK-NEXT: .functype test4 () -> (i32){{$}} 50; CHECK-NEXT: i32.const $push0=, x-188{{$}} 51; CHECK=NEXT: return $pop0{{$}} 52define dso_local ptr @test4() { 53 ret ptr getelementptr ([0 x i32], ptr @x, i32 0, i32 -47) 54} 55 56; CHECK-LABEL: test5: 57; CHECK-NEXT: .functype test5 () -> (i32){{$}} 58; CHECK-NEXT: i32.const $push0=, y-188{{$}} 59; CHECK=NEXT: return $pop0{{$}} 60define dso_local ptr @test5() { 61 ret ptr getelementptr ([50 x i32], ptr @y, i32 0, i32 -47) 62} 63