63 lines
1.2 KiB
LLVM
63 lines
1.2 KiB
LLVM
|
; RUN: llc < %s -asm-verbose=false -wasm-keep-registers | FileCheck %s
|
||
|
|
|
||
|
|
; Test that integer div and rem by constant are optimized appropriately.
|
||
|
|
|
||
|
|
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
|
||
|
|
target triple = "wasm32-unknown-unknown"
|
||
|
|
|
||
|
|
; CHECK-LABEL: test_udiv_2:
|
||
|
|
; CHECK: i32.shr_u
|
||
|
|
define i32 @test_udiv_2(i32 %x) {
|
||
|
|
%t = udiv i32 %x, 2
|
||
|
|
ret i32 %t
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK-LABEL: test_udiv_5:
|
||
|
|
; CHECK: i32.div_u
|
||
|
|
define i32 @test_udiv_5(i32 %x) {
|
||
|
|
%t = udiv i32 %x, 5
|
||
|
|
ret i32 %t
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK-LABEL: test_sdiv_2:
|
||
|
|
; CHECK: i32.div_s
|
||
|
|
define i32 @test_sdiv_2(i32 %x) {
|
||
|
|
%t = sdiv i32 %x, 2
|
||
|
|
ret i32 %t
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK-LABEL: test_sdiv_5:
|
||
|
|
; CHECK: i32.div_s
|
||
|
|
define i32 @test_sdiv_5(i32 %x) {
|
||
|
|
%t = sdiv i32 %x, 5
|
||
|
|
ret i32 %t
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK-LABEL: test_urem_2:
|
||
|
|
; CHECK: i32.and
|
||
|
|
define i32 @test_urem_2(i32 %x) {
|
||
|
|
%t = urem i32 %x, 2
|
||
|
|
ret i32 %t
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK-LABEL: test_urem_5:
|
||
|
|
; CHECK: i32.rem_u
|
||
|
|
define i32 @test_urem_5(i32 %x) {
|
||
|
|
%t = urem i32 %x, 5
|
||
|
|
ret i32 %t
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK-LABEL: test_srem_2:
|
||
|
|
; CHECK: i32.rem_s
|
||
|
|
define i32 @test_srem_2(i32 %x) {
|
||
|
|
%t = srem i32 %x, 2
|
||
|
|
ret i32 %t
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK-LABEL: test_srem_5:
|
||
|
|
; CHECK: i32.rem_s
|
||
|
|
define i32 @test_srem_5(i32 %x) {
|
||
|
|
%t = srem i32 %x, 5
|
||
|
|
ret i32 %t
|
||
|
|
}
|