2018-08-27 23:45:51 +08:00
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; RUN: llc < %s -mattr=+atomics,+sign-ext -asm-verbose=false -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s
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2018-07-03 05:22:59 +08:00
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; Test that truncating stores are assembled properly.
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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: trunc_i8_i32:
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; CHECK: i32.atomic.store8 0($0), $1{{$}}
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define void @trunc_i8_i32(i8 *%p, i32 %v) {
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%t = trunc i32 %v to i8
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store atomic i8 %t, i8* %p seq_cst, align 1
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ret void
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}
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; CHECK-LABEL: trunc_i16_i32:
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; CHECK: i32.atomic.store16 0($0), $1{{$}}
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define void @trunc_i16_i32(i16 *%p, i32 %v) {
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%t = trunc i32 %v to i16
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store atomic i16 %t, i16* %p seq_cst, align 2
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ret void
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}
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; CHECK-LABEL: trunc_i8_i64:
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; CHECK: i64.atomic.store8 0($0), $1{{$}}
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define void @trunc_i8_i64(i8 *%p, i64 %v) {
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%t = trunc i64 %v to i8
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store atomic i8 %t, i8* %p seq_cst, align 1
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ret void
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}
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; CHECK-LABEL: trunc_i16_i64:
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; CHECK: i64.atomic.store16 0($0), $1{{$}}
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define void @trunc_i16_i64(i16 *%p, i64 %v) {
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%t = trunc i64 %v to i16
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store atomic i16 %t, i16* %p seq_cst, align 2
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ret void
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}
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; CHECK-LABEL: trunc_i32_i64:
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; CHECK: i64.atomic.store32 0($0), $1{{$}}
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define void @trunc_i32_i64(i32 *%p, i64 %v) {
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%t = trunc i64 %v to i32
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store atomic i32 %t, i32* %p seq_cst, align 4
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ret void
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}
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