732636d901
Previously, FastISel for WebAssembly wasn't checking the return value of `getRegForValue` in certain cases, which would generate instructions referencing NoReg. This patch fixes this behavior. Patch by Dominic Chen Differential Revision: https://reviews.llvm.org/D23100 llvm-svn: 277742
36 lines
1.0 KiB
LLVM
36 lines
1.0 KiB
LLVM
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -verify-machineinstrs | FileCheck %s
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; RUN: llc < %s -asm-verbose=false -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 $drop=, 0($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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attributes #0 = { noinline optnone }
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