llvm/test/CodeGen/WebAssembly/comparisons_i64.ll
Dan Gohman 1a513a6964 [WebAssembly] Optimize away return instructions using fallthroughs.
This saves a small amount of code size, and is a first small step toward
passing values on the stack across block boundaries.

Differential Review: http://reviews.llvm.org/D20450


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270294 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-21 00:21:56 +00:00

100 lines
2.6 KiB
LLVM

; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt | FileCheck %s
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -fast-isel -fast-isel-abort=1 | FileCheck %s
; Test that basic 64-bit integer comparison operations assemble as expected.
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"
; CHECK-LABEL: eq_i64:
; CHECK-NEXT: .param i64, i64{{$}}
; CHECK-NEXT: .result i32{{$}}
; CHECK-NEXT: i64.eq $push[[NUM:[0-9]+]]=, $0, $1{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i32 @eq_i64(i64 %x, i64 %y) {
%a = icmp eq i64 %x, %y
%b = zext i1 %a to i32
ret i32 %b
}
; CHECK-LABEL: ne_i64:
; CHECK: i64.ne $push[[NUM:[0-9]+]]=, $0, $1{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i32 @ne_i64(i64 %x, i64 %y) {
%a = icmp ne i64 %x, %y
%b = zext i1 %a to i32
ret i32 %b
}
; CHECK-LABEL: slt_i64:
; CHECK: i64.lt_s $push[[NUM:[0-9]+]]=, $0, $1{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i32 @slt_i64(i64 %x, i64 %y) {
%a = icmp slt i64 %x, %y
%b = zext i1 %a to i32
ret i32 %b
}
; CHECK-LABEL: sle_i64:
; CHECK: i64.le_s $push[[NUM:[0-9]+]]=, $0, $1{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i32 @sle_i64(i64 %x, i64 %y) {
%a = icmp sle i64 %x, %y
%b = zext i1 %a to i32
ret i32 %b
}
; CHECK-LABEL: ult_i64:
; CHECK: i64.lt_u $push[[NUM:[0-9]+]]=, $0, $1{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i32 @ult_i64(i64 %x, i64 %y) {
%a = icmp ult i64 %x, %y
%b = zext i1 %a to i32
ret i32 %b
}
; CHECK-LABEL: ule_i64:
; CHECK: i64.le_u $push[[NUM:[0-9]+]]=, $0, $1{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i32 @ule_i64(i64 %x, i64 %y) {
%a = icmp ule i64 %x, %y
%b = zext i1 %a to i32
ret i32 %b
}
; CHECK-LABEL: sgt_i64:
; CHECK: i64.gt_s $push[[NUM:[0-9]+]]=, $0, $1{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i32 @sgt_i64(i64 %x, i64 %y) {
%a = icmp sgt i64 %x, %y
%b = zext i1 %a to i32
ret i32 %b
}
; CHECK-LABEL: sge_i64:
; CHECK: i64.ge_s $push[[NUM:[0-9]+]]=, $0, $1{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i32 @sge_i64(i64 %x, i64 %y) {
%a = icmp sge i64 %x, %y
%b = zext i1 %a to i32
ret i32 %b
}
; CHECK-LABEL: ugt_i64:
; CHECK: i64.gt_u $push[[NUM:[0-9]+]]=, $0, $1{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i32 @ugt_i64(i64 %x, i64 %y) {
%a = icmp ugt i64 %x, %y
%b = zext i1 %a to i32
ret i32 %b
}
; CHECK-LABEL: uge_i64:
; CHECK: i64.ge_u $push[[NUM:[0-9]+]]=, $0, $1{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i32 @uge_i64(i64 %x, i64 %y) {
%a = icmp uge i64 %x, %y
%b = zext i1 %a to i32
ret i32 %b
}