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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -passes=instsimplify -S < %s | FileCheck %s
; Test that intrinsics wasm dot call are constant folded
target triple = "wasm32-unknown-unknown"
define <4 x i32> @dot_zero() {
; CHECK-LABEL: define <4 x i32> @dot_zero() {
; CHECK-NEXT: ret <4 x i32> zeroinitializer
;
%res = tail call <4 x i32> @llvm.wasm.dot(<8 x i16> zeroinitializer, <8 x i16> zeroinitializer)
ret <4 x i32> %res
}
; a = 1 2 3 4 5 6 7 8
; b = 1 2 3 4 5 6 7 8
; k1|k2 = a * b = 1 4 9 16 25 36 49 64
; k1 + k2 = (1+4) | (9 + 16) | (25 + 36) | (49 + 64)
; result = 5 | 25 | 61 | 113
define <4 x i32> @dot_nonzero() {
; CHECK-LABEL: define <4 x i32> @dot_nonzero() {
; CHECK-NEXT: ret <4 x i32> <i32 5, i32 25, i32 61, i32 113>
;
%res = tail call <4 x i32> @llvm.wasm.dot(<8 x i16> <i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 8>, <8 x i16> <i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 8>)
ret <4 x i32> %res
}
define <4 x i32> @dot_doubly_negative() {
; CHECK-LABEL: define <4 x i32> @dot_doubly_negative() {
; CHECK-NEXT: ret <4 x i32> splat (i32 2)
;
%res = tail call <4 x i32> @llvm.wasm.dot(<8 x i16> <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>, <8 x i16> <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>)
ret <4 x i32> %res
}
; Tests that i16 max signed values fit in i32
define <4 x i32> @dot_follow_modulo_spec_1() {
; CHECK-LABEL: define <4 x i32> @dot_follow_modulo_spec_1() {
; CHECK-NEXT: ret <4 x i32> <i32 2147352578, i32 0, i32 0, i32 0>
;
%res = tail call <4 x i32> @llvm.wasm.dot(<8 x i16> <i16 32767, i16 32767, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0>, <8 x i16> <i16 32767, i16 32767, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0>)
ret <4 x i32> %res
}
; Tests that i16 min signed values fit in i32
define <4 x i32> @dot_follow_modulo_spec_2() {
; CHECK-LABEL: define <4 x i32> @dot_follow_modulo_spec_2() {
; CHECK-NEXT: ret <4 x i32> <i32 -2147483648, i32 0, i32 0, i32 0>
;
%res = tail call <4 x i32> @llvm.wasm.dot(<8 x i16> <i16 -32768, i16 -32768, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0>, <8 x i16> <i16 -32768, i16 -32768, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0>)
ret <4 x i32> %res
}
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