122b0220fd
The data layout strings do not have any effect on llc tests and will become misleadingly out of date as we continue to update the canonical data layout, so remove them from the tests. Differential Revision: https://reviews.llvm.org/D105842
106 lines
3.1 KiB
LLVM
106 lines
3.1 KiB
LLVM
; RUN: llc < %s -asm-verbose=false -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s -check-prefixes=NON-PIC,CHECK
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target triple = "wasm32-unknown-emscripten"
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@hidden_global = external hidden global i32
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@hidden_global_array = external hidden global [10 x i32]
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@external_global = external dso_local global i32
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@external_global_array = external dso_local global [10 x i32]
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declare i32 @foo();
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; For hidden symbols PIC code needs to offset all loads and stores
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; by the value of the __memory_base global
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define i32 @load_hidden_global() {
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; CHECK-LABEL: load_hidden_global:
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; NON-PIC: i32.const $push0=, 0{{$}}
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; NON-PIC-NEXT: i32.load $push1=, hidden_global($pop0){{$}}
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; CHECK-NEXT: end_function
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%1 = load i32, i32* @hidden_global
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ret i32 %1
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}
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define i32 @load_hidden_global_offset() {
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; CHECK-LABEL: load_hidden_global_offset:
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; NON-PIC: i32.const $push0=, 0{{$}}
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; NON-PIC-NEXT:i32.load $push1=, hidden_global_array+20($pop0){{$}}
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; CHECK-NEXT: end_function
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%1 = getelementptr [10 x i32], [10 x i32]* @hidden_global_array, i32 0, i32 5
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%2 = load i32, i32* %1
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ret i32 %2
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}
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; Store to a hidden global
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define void @store_hidden_global(i32 %n) {
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; CHECK-LABEL: store_hidden_global:
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; NON-PIC: i32.const $push0=, 0{{$}}
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; NON-PIC-NEXT: i32.store hidden_global($pop0), $0{{$}}
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; CHECK-NEXT: end_function
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store i32 %n, i32* @hidden_global
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ret void
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}
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define void @store_hidden_global_offset(i32 %n) {
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; CHECK-LABEL: store_hidden_global_offset:
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; NON-PIC: i32.const $push0=, 0{{$}}
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; NON-PIC-NEXT: i32.store hidden_global_array+20($pop0), $0{{$}}
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; CHECK-NEXT: end_function
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%1 = getelementptr [10 x i32], [10 x i32]* @hidden_global_array, i32 0, i32 5
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store i32 %n, i32* %1
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ret void
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}
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; For non-hidden globals PIC code has to load the address from a wasm global
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; using the @GOT relocation type.
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define i32 @load_external_global() {
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; CHECK-LABEL: load_external_global:
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; NON-PIC: i32.const $push0=, 0{{$}}
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; NON-PIC-NEXT: i32.load $push1=, external_global($pop0){{$}}
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; CHECK-NEXT: end_function
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%1 = load i32, i32* @external_global
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ret i32 %1
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}
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define i32 @load_external_global_offset() {
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; CHECK-LABEL: load_external_global_offset:
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; NON-PIC: i32.const $push[[L0:[0-9]+]]=, 0{{$}}
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; NON-PIC-NEXT: i32.load $push{{[0-9]+}}=, external_global_array+20($pop[[L0]]){{$}}
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; CHECK-NEXT: end_function
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%1 = getelementptr [10 x i32], [10 x i32]* @external_global_array, i32 0, i32 5
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%2 = load i32, i32* %1
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ret i32 %2
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}
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; Store to a non-hidden global via the wasm global.
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define void @store_external_global(i32 %n) {
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; CHECK-LABEL: store_external_global:
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; NON-PIC: i32.const $push0=, 0{{$}}
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; NON-PIC-NEXT: i32.store external_global($pop0), $0{{$}}
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; CHECK-NEXT: end_function
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store i32 %n, i32* @external_global
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ret void
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}
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define void @store_external_global_offset(i32 %n) {
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; CHECK-LABEL: store_external_global_offset:
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; NON-PIC: i32.const $push0=, 0{{$}}
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; NON-PIC-NEXT: i32.store external_global_array+20($pop0), $0{{$}}
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; CHECK-NEXT: end_function
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%1 = getelementptr [10 x i32], [10 x i32]* @external_global_array, i32 0, i32 5
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store i32 %n, i32* %1
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ret void
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}
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