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llvm-mirror/test/CodeGen/WebAssembly/select.ll
Dan Gohman 920c7d7490 [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

llvm-svn: 270294
2016-05-21 00:21:56 +00:00

136 lines
4.3 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 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: .param i32, i32, i32{{$}}
; CHECK-NEXT: .result i32{{$}}
; 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_eq:
; CHECK-NEXT: .param i32, i32, i32{{$}}
; CHECK-NEXT: .result i32{{$}}
; 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: .param i32, i32, i32{{$}}
; CHECK-NEXT: .result i32{{$}}
; 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: .param i32, i64, i64{{$}}
; CHECK-NEXT: .result i64{{$}}
; 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_eq:
; CHECK-NEXT: .param i32, i64, i64{{$}}
; CHECK-NEXT: .result i64{{$}}
; 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: .param i32, i64, i64{{$}}
; CHECK-NEXT: .result i64{{$}}
; 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: .param i32, f32, f32{{$}}
; CHECK-NEXT: .result f32{{$}}
; 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_eq:
; CHECK-NEXT: .param i32, f32, f32{{$}}
; CHECK-NEXT: .result f32{{$}}
; 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: .param i32, f32, f32{{$}}
; CHECK-NEXT: .result f32{{$}}
; 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: .param i32, f64, f64{{$}}
; CHECK-NEXT: .result f64{{$}}
; 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_eq:
; CHECK-NEXT: .param i32, f64, f64{{$}}
; CHECK-NEXT: .result f64{{$}}
; 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: .param i32, f64, f64{{$}}
; CHECK-NEXT: .result f64{{$}}
; 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
}