Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/test/CodeGen/WebAssembly/store-trunc.ll

@@ -0,0 +1,46 @@
+; RUN: llc < %s -asm-verbose=false -disable-wasm-explicit-locals | FileCheck %s
+
+; Test that truncating stores are assembled properly.
+
+target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
+target triple = "wasm32-unknown-unknown-wasm"
+
+; CHECK-LABEL: trunc_i8_i32:
+; CHECK: i32.store8 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 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 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 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 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
+}