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81bb5f99ad
The data layout strings do not have any effect on llc tests and will become misleadingly out of date as we continue to update the canonical data layout, so remove them from the tests.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
27 lines
1.1 KiB
LLVM
27 lines
1.1 KiB
LLVM
; RUN: llc < %s -asm-verbose=false -enable-emscripten-sjlj -wasm-keep-registers | FileCheck %s
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target triple = "wasm32-unknown-unknown"
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%struct.__jmp_buf_tag = type { [6 x i32], i32, [32 x i32] }
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declare i32 @setjmp(%struct.__jmp_buf_tag*) #0
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declare {i32, i32} @returns_struct()
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; Test the combination of backend legalization of large return types and the
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; Emscripten sjlj transformation
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define {i32, i32} @legalized_to_sret() {
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entry:
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%env = alloca [1 x %struct.__jmp_buf_tag], align 16
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%arraydecay = getelementptr inbounds [1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* %env, i32 0, i32 0
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%call = call i32 @setjmp(%struct.__jmp_buf_tag* %arraydecay) #0
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; This is the function pointer to pass to invoke.
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; It needs to be the first argument (that's what we're testing here)
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; CHECK: i32.const $push[[FPTR:[0-9]+]]=, returns_struct
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; This is the sret stack region (as an offset from the stack pointer local)
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; CHECK: call invoke_vi, $pop[[FPTR]]
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%ret = call {i32, i32} @returns_struct()
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ret {i32, i32} %ret
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}
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attributes #0 = { returns_twice }
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