44 lines
1.2 KiB
LLVM
44 lines
1.2 KiB
LLVM
; RUN: llc < %s | llvm-mc -triple=wasm32-unknown-unknown | FileCheck --match-full-lines %s
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; Test basic inline assembly can actually be assembled by the assembler.
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; .ll code below is the result of this code run thru
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; clang -target wasm32-unknown-unknown-wasm -O2 -S -emit-llvm test.c
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; int main(int argc, const char *argv[]) {
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; int src = 1;
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; int dst;
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; asm ("i32.const\t2\n"
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; "\tlocal.get\t%1\n"
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; "\ti32.add\n"
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; "\tlocal.set\t%0"
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; : "=r" (dst)
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; : "r" (src));
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; return dst != 3;
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; }
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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; CHECK-LABEL: main:
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; CHECK-NEXT: .functype main (i32, i32) -> (i32)
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; CHECK-NEXT: .local i32
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; CHECK-NEXT: i32.const 1
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; CHECK-NEXT: local.set [[SRC:[0-9]+]]
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; CHECK-NEXT: i32.const 2
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; CHECK-NEXT: local.get [[SRC]]
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; CHECK-NEXT: i32.add
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; CHECK-NEXT: local.set [[DST:[0-9]+]]
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; CHECK-NEXT: local.get [[DST]]
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; CHECK-NEXT: i32.const 3
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; CHECK-NEXT: i32.ne
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define i32 @main(i32 %argc, i8** nocapture readnone %argv) #0 {
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entry:
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%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
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%cmp = icmp ne i32 %0, 3
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%conv = zext i1 %cmp to i32
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ret i32 %conv
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}
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