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bc98087ab0
Summary: Fixes https://bugs.llvm.org/show_bug.cgi?id=40172. See test/CodeGen/WebAssembly/PR40172.ll for an explanation. Reviewers: dschuff, aheejin Subscribers: nikic, llvm-commits, sunfish, jgravelle-google, sbc100 Differential Revision: https://reviews.llvm.org/D56457 llvm-svn: 351127
98 lines
2.3 KiB
LLVM
98 lines
2.3 KiB
LLVM
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -verify-machineinstrs | FileCheck %s
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; RUN: llc < %s -asm-verbose=false -wasm-keep-registers -fast-isel -verify-machineinstrs | FileCheck %s
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; Test that FastISel does not generate instructions with NoReg
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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; CHECK: i32.const $push0=, 0
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define hidden i32 @a() #0 {
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entry:
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ret i32 zext (i1 icmp eq (void (...)* inttoptr (i32 10 to void (...)*), void (...)* null) to i32)
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}
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; CHECK: i32.const $push0=, 1
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; CHECK: br_if 0, $pop0
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define hidden i32 @b() #0 {
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entry:
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br i1 icmp eq (void (...)* inttoptr (i32 10 to void (...)*), void (...)* null), label %a, label %b
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a:
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unreachable
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b:
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ret i32 0
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}
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; CHECK: i32.const $push1=, 0
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; CHECK: i32.const $push2=, 0
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; CHECK: i32.store 0($pop1), $pop2
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define hidden i32 @c() #0 {
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entry:
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store i32 zext (i1 icmp eq (void (...)* inttoptr (i32 10 to void (...)*), void (...)* null) to i32), i32* inttoptr (i32 0 to i32 *)
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ret i32 0
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}
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; CHECK: i32.const {{.*}}, addr@FUNCTION
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; CHECK: i32.const {{.*}}, 24
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; CHECK: i32.shl
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; CHECK: i32.const {{.*}}, 24
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; CHECK: i32.shr_s
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; CHECK: i32.const {{.*}}, 64
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; CHECK: i32.lt_s
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; CHECK: i32.const {{.*}}, 1
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; CHECK: i32.and
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; CHECK: i32.eqz
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; CHECK: br_if 0, $pop{{[0-9]+}}
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define hidden i32 @d() #0 {
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entry:
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%t = icmp slt i8 ptrtoint (void ()* @addr to i8), 64
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br i1 %t, label %a, label %b
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a:
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unreachable
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b:
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ret i32 0
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}
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; CHECK: i32.const {{.*}}, addr@FUNCTION
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; CHECK: i32.const {{.*}}, 255
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; CHECK: i32.and
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; CHECK: i32.const {{.*}}, 64
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; CHECK: i32.lt_u
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; CHECK: i32.const {{.*}}, 1
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; CHECK: i32.and
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; CHECK: i32.eqz
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; CHECK: br_if 0, $pop{{[0-9]+}}
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define hidden i32 @e() #0 {
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entry:
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%t = icmp ult i8 ptrtoint (void ()* @addr to i8), 64
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br i1 %t, label %a, label %b
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a:
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unreachable
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b:
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ret i32 0
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}
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; CHECK: i32.const {{.*}}, addr@FUNCTION
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; CHECK: i32.const {{.*}}, 24
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; CHECK: i32.shl
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; CHECK: i32.const {{.*}}, 24
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; CHECK: i32.shr_s
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define hidden i32 @f() #0 {
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entry:
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%t = sext i8 ptrtoint (void ()* @addr to i8) to i32
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ret i32 %t
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}
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; CHECK: i32.const {{.*}}, addr@FUNCTION
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; CHECK: i32.const {{.*}}, 255
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; CHECK: i32.and
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define hidden i32 @g() #0 {
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entry:
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%t = zext i8 ptrtoint (void ()* @addr to i8) to i32
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ret i32 %t
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}
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declare void @addr()
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attributes #0 = { noinline optnone }
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