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llvm-mirror/test/CodeGen/WebAssembly/store-trunc.ll
Derek Schuff 3fcdebf45b [WebAssembly] Support constant offsets on loads and stores
This is just prototype for load/store for i32 types. I'll add them to
the rest of the types if we like this direction.

Differential Revision: http://reviews.llvm.org/D15197

llvm-svn: 254807
2015-12-05 00:26:39 +00:00

47 lines
1.1 KiB
LLVM

; RUN: llc < %s -asm-verbose=false | FileCheck %s
; Test that truncating stores are assembled properly.
target datalayout = "e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"
; CHECK-LABEL: trunc_i8_i32:
; CHECK: i32.store8 $discard=, 0($0), $1{{$}}
define void @trunc_i8_i32(i8 *%p, i32 %v) {
%t = trunc i32 %v to i8
store i8 %t, i8* %p
ret void
}
; CHECK-LABEL: trunc_i16_i32:
; CHECK: i32.store16 $discard=, 0($0), $1{{$}}
define void @trunc_i16_i32(i16 *%p, i32 %v) {
%t = trunc i32 %v to i16
store i16 %t, i16* %p
ret void
}
; CHECK-LABEL: trunc_i8_i64:
; CHECK: i64.store8 $discard=, 0($0), $1{{$}}
define void @trunc_i8_i64(i8 *%p, i64 %v) {
%t = trunc i64 %v to i8
store i8 %t, i8* %p
ret void
}
; CHECK-LABEL: trunc_i16_i64:
; CHECK: i64.store16 $discard=, 0($0), $1{{$}}
define void @trunc_i16_i64(i16 *%p, i64 %v) {
%t = trunc i64 %v to i16
store i16 %t, i16* %p
ret void
}
; CHECK-LABEL: trunc_i32_i64:
; CHECK: i64.store32 $discard=, 0($0), $1{{$}}
define void @trunc_i32_i64(i32 *%p, i64 %v) {
%t = trunc i64 %v to i32
store i32 %t, i32* %p
ret void
}