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This also takes the push/pop syntax another step forward, introducing stack slot numbers to make it easier to see how expressions are connected. For example, the value pushed in $push7 is popped in $pop7. And, this begins an experiment with making get_local and set_local implicit when an operation directly uses or defines a register. This greatly reduces clutter. If this experiment succeeds, it may make sense to do this for const instructions as well. And, this introduces more special code for ARGUMENTS; hopefully this code will soon be obviated by proper support for live-in virtual registers. llvm-svn: 253465
47 lines
1.0 KiB
LLVM
47 lines
1.0 KiB
LLVM
; RUN: llc < %s -asm-verbose=false | FileCheck %s
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; Test that truncating stores are assembled properly.
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target datalayout = "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.store8 $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 i8 %t, i8* %p
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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.store16 $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 i16 %t, i16* %p
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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.store8 $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 i8 %t, i8* %p
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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.store16 $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 i16 %t, i16* %p
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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.store32 $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 i32 %t, i32* %p
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ret void
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}
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