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llvm-mirror/test/CodeGen/WebAssembly/inline-asm-roundtrip.ll
Thomas Lively 81bb5f99ad [WebAssembly] Remove datalayout strings from llc tests
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misleadingly out of date as we continue to update the canonical data layout, so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
2021-07-14 11:17:08 -07:00

42 lines
1.2 KiB
LLVM

; RUN: llc < %s | llvm-mc -triple=wasm32-unknown-unknown | FileCheck --match-full-lines %s
; Test basic inline assembly can actually be assembled by the assembler.
; .ll code below is the result of this code run thru
; clang -target wasm32-unknown-unknown-wasm -O2 -S -emit-llvm test.c
; int main(int argc, const char *argv[]) {
; int src = 1;
; int dst;
; asm ("i32.const\t2\n"
; "\tlocal.get\t%1\n"
; "\ti32.add\n"
; "\tlocal.set\t%0"
; : "=r" (dst)
; : "r" (src));
; return dst != 3;
; }
target triple = "wasm32-unknown-unknown"
; CHECK-LABEL: main:
; CHECK-NEXT: .functype main (i32, i32) -> (i32)
; CHECK-NEXT: .local i32
; CHECK-NEXT: i32.const 1
; CHECK-NEXT: local.set [[SRC:[0-9]+]]
; CHECK-NEXT: i32.const 2
; CHECK-NEXT: local.get [[SRC]]
; CHECK-NEXT: i32.add
; CHECK-NEXT: local.set [[DST:[0-9]+]]
; CHECK-NEXT: local.get [[DST]]
; CHECK-NEXT: i32.const 3
; CHECK-NEXT: i32.ne
define i32 @main(i32 %argc, i8** nocapture readnone %argv) #0 {
entry:
%0 = tail call i32 asm "i32.const\092\0A\09local.get\09$1\0A\09i32.add\0A\09local.set\09$0", "=r,r"(i32 1) #1
%cmp = icmp ne i32 %0, 3
%conv = zext i1 %cmp to i32
ret i32 %conv
}