Nikita Popov 55e119a4fc [WebAssembly] Fix select of and (PR40805)
Fixes https://bugs.llvm.org/show_bug.cgi?id=40805 introduced by
patterns added in D53676.

I'm removing the patterns entirely here, as they are not correct
in the general case. If necessary something more specific can be
added in the future.

Differential Revision: https://reviews.llvm.org/D58575

llvm-svn: 354733
2019-02-23 18:59:01 +00:00

177 lines
6.2 KiB
LLVM

; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s --check-prefixes CHECK,SLOW
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -fast-isel -fast-isel-abort=1 | FileCheck %s
; Test that wasm select instruction is selected from LLVM select instruction.
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"
; CHECK-LABEL: select_i32_bool:
; CHECK-NEXT: .functype select_i32_bool (i32, i32, i32) -> (i32){{$}}
; CHECK-NEXT: i32.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define i32 @select_i32_bool(i1 zeroext %a, i32 %b, i32 %c) {
%cond = select i1 %a, i32 %b, i32 %c
ret i32 %cond
}
; CHECK-LABEL: select_i32_bool_nozext:
; CHECK-NEXT: .functype select_i32_bool_nozext (i32, i32, i32) -> (i32){{$}}
; SLOW-NEXT: i32.const $push0=, 1{{$}}
; SLOW-NEXT: i32.and $push1=, $0, $pop0{{$}}
; SLOW-NEXT: i32.select $push2=, $1, $2, $pop1{{$}}
; SLOW-NEXT: return $pop2{{$}}
define i32 @select_i32_bool_nozext(i1 %a, i32 %b, i32 %c) {
%cond = select i1 %a, i32 %b, i32 %c
ret i32 %cond
}
; CHECK-LABEL: select_i32_eq:
; CHECK-NEXT: .functype select_i32_eq (i32, i32, i32) -> (i32){{$}}
; CHECK-NEXT: i32.select $push0=, $2, $1, $0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define i32 @select_i32_eq(i32 %a, i32 %b, i32 %c) {
%cmp = icmp eq i32 %a, 0
%cond = select i1 %cmp, i32 %b, i32 %c
ret i32 %cond
}
; CHECK-LABEL: select_i32_ne:
; CHECK-NEXT: .functype select_i32_ne (i32, i32, i32) -> (i32){{$}}
; CHECK-NEXT: i32.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define i32 @select_i32_ne(i32 %a, i32 %b, i32 %c) {
%cmp = icmp ne i32 %a, 0
%cond = select i1 %cmp, i32 %b, i32 %c
ret i32 %cond
}
; CHECK-LABEL: select_i64_bool:
; CHECK-NEXT: .functype select_i64_bool (i32, i64, i64) -> (i64){{$}}
; CHECK-NEXT: i64.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define i64 @select_i64_bool(i1 zeroext %a, i64 %b, i64 %c) {
%cond = select i1 %a, i64 %b, i64 %c
ret i64 %cond
}
; CHECK-LABEL: select_i64_bool_nozext:
; CHECK-NEXT: .functype select_i64_bool_nozext (i32, i64, i64) -> (i64){{$}}
; SLOW-NEXT: i32.const $push0=, 1{{$}}
; SLOW-NEXT: i32.and $push1=, $0, $pop0{{$}}
; SLOW-NEXT: i64.select $push2=, $1, $2, $pop1{{$}}
; SLOW-NEXT: return $pop2{{$}}
define i64 @select_i64_bool_nozext(i1 %a, i64 %b, i64 %c) {
%cond = select i1 %a, i64 %b, i64 %c
ret i64 %cond
}
; CHECK-LABEL: select_i64_eq:
; CHECK-NEXT: .functype select_i64_eq (i32, i64, i64) -> (i64){{$}}
; CHECK-NEXT: i64.select $push0=, $2, $1, $0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define i64 @select_i64_eq(i32 %a, i64 %b, i64 %c) {
%cmp = icmp eq i32 %a, 0
%cond = select i1 %cmp, i64 %b, i64 %c
ret i64 %cond
}
; CHECK-LABEL: select_i64_ne:
; CHECK-NEXT: .functype select_i64_ne (i32, i64, i64) -> (i64){{$}}
; CHECK-NEXT: i64.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define i64 @select_i64_ne(i32 %a, i64 %b, i64 %c) {
%cmp = icmp ne i32 %a, 0
%cond = select i1 %cmp, i64 %b, i64 %c
ret i64 %cond
}
; CHECK-LABEL: select_f32_bool:
; CHECK-NEXT: .functype select_f32_bool (i32, f32, f32) -> (f32){{$}}
; CHECK-NEXT: f32.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define float @select_f32_bool(i1 zeroext %a, float %b, float %c) {
%cond = select i1 %a, float %b, float %c
ret float %cond
}
; CHECK-LABEL: select_f32_bool_nozext:
; CHECK-NEXT: .functype select_f32_bool_nozext (i32, f32, f32) -> (f32){{$}}
; SLOW-NEXT: f32.select $push0=, $1, $2, $0{{$}}
; SLOW-NEXT: return $pop0{{$}}
define float @select_f32_bool_nozext(i1 %a, float %b, float %c) {
%cond = select i1 %a, float %b, float %c
ret float %cond
}
; CHECK-LABEL: select_f32_eq:
; CHECK-NEXT: .functype select_f32_eq (i32, f32, f32) -> (f32){{$}}
; CHECK-NEXT: f32.select $push0=, $2, $1, $0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define float @select_f32_eq(i32 %a, float %b, float %c) {
%cmp = icmp eq i32 %a, 0
%cond = select i1 %cmp, float %b, float %c
ret float %cond
}
; CHECK-LABEL: select_f32_ne:
; CHECK-NEXT: .functype select_f32_ne (i32, f32, f32) -> (f32){{$}}
; CHECK-NEXT: f32.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define float @select_f32_ne(i32 %a, float %b, float %c) {
%cmp = icmp ne i32 %a, 0
%cond = select i1 %cmp, float %b, float %c
ret float %cond
}
; CHECK-LABEL: select_f64_bool:
; CHECK-NEXT: .functype select_f64_bool (i32, f64, f64) -> (f64){{$}}
; CHECK-NEXT: f64.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define double @select_f64_bool(i1 zeroext %a, double %b, double %c) {
%cond = select i1 %a, double %b, double %c
ret double %cond
}
; CHECK-LABEL: select_f64_bool_nozext:
; CHECK-NEXT: .functype select_f64_bool_nozext (i32, f64, f64) -> (f64){{$}}
; SLOW-NEXT: f64.select $push0=, $1, $2, $0{{$}}
; SLOW-NEXT: return $pop0{{$}}
define double @select_f64_bool_nozext(i1 %a, double %b, double %c) {
%cond = select i1 %a, double %b, double %c
ret double %cond
}
; CHECK-LABEL: select_f64_eq:
; CHECK-NEXT: .functype select_f64_eq (i32, f64, f64) -> (f64){{$}}
; CHECK-NEXT: f64.select $push0=, $2, $1, $0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define double @select_f64_eq(i32 %a, double %b, double %c) {
%cmp = icmp eq i32 %a, 0
%cond = select i1 %cmp, double %b, double %c
ret double %cond
}
; CHECK-LABEL: select_f64_ne:
; CHECK-NEXT: .functype select_f64_ne (i32, f64, f64) -> (f64){{$}}
; CHECK-NEXT: f64.select $push0=, $1, $2, $0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define double @select_f64_ne(i32 %a, double %b, double %c) {
%cmp = icmp ne i32 %a, 0
%cond = select i1 %cmp, double %b, double %c
ret double %cond
}
; CHECK-LABEL: pr40805:
; CHECK-NEXT: .functype pr40805 (i32, i32, i32) -> (i32){{$}}
; SLOW-NEXT: i32.const $push0=, 1{{$}}
; SLOW-NEXT: i32.and $push1=, $0, $pop0{{$}}
; SLOW-NEXT: i32.select $push2=, $1, $2, $pop1{{$}}
; SLOW-NEXT: return $pop2{{$}}
define i32 @pr40805(i32 %x, i32 %y, i32 %z) {
%a = and i32 %x, 1
%b = icmp ne i32 %a, 0
%c = select i1 %b, i32 %y, i32 %z
ret i32 %c
}