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TheRock/compiler/amd-llvm/llvm/test/CodeGen/WebAssembly/fast-isel-noreg.ll
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derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

71 lines
1.6 KiB
LLVM

; RUN: llc < %s -asm-verbose=false -mcpu=mvp -disable-wasm-fallthrough-return-opt -wasm-keep-registers -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -asm-verbose=false -mcpu=mvp -wasm-keep-registers -fast-isel -verify-machineinstrs | FileCheck %s
; Test that FastISel does not generate instructions with NoReg
target triple = "wasm32-unknown-unknown"
; CHECK: i32.const {{.*}}, addr
; CHECK: i32.const {{.*}}, 24
; CHECK: i32.shl
; CHECK: i32.const {{.*}}, 24
; CHECK: i32.shr_s
; CHECK: i32.const {{.*}}, 64
; CHECK: i32.lt_s
; CHECK: i32.const {{.*}}, 1
; CHECK: i32.and
; CHECK: i32.eqz
; CHECK: br_if 0, $pop{{[0-9]+}}
define hidden i32 @d() #0 {
entry:
%t = icmp slt i8 ptrtoint (ptr @addr to i8), 64
br i1 %t, label %a, label %b
a:
unreachable
b:
ret i32 0
}
; CHECK: i32.const {{.*}}, addr
; CHECK: i32.const {{.*}}, 255
; CHECK: i32.and
; CHECK: i32.const {{.*}}, 64
; CHECK: i32.lt_u
; CHECK: i32.const {{.*}}, 1
; CHECK: i32.and
; CHECK: i32.eqz
; CHECK: br_if 0, $pop{{[0-9]+}}
define hidden i32 @e() #0 {
entry:
%t = icmp ult i8 ptrtoint (ptr @addr to i8), 64
br i1 %t, label %a, label %b
a:
unreachable
b:
ret i32 0
}
; CHECK: i32.const {{.*}}, addr
; CHECK: i32.const {{.*}}, 24
; CHECK: i32.shl
; CHECK: i32.const {{.*}}, 24
; CHECK: i32.shr_s
define hidden i32 @f() #0 {
entry:
%t = sext i8 ptrtoint (ptr @addr to i8) to i32
ret i32 %t
}
; CHECK: i32.const {{.*}}, addr
; CHECK: i32.const {{.*}}, 255
; CHECK: i32.and
define hidden i32 @g() #0 {
entry:
%t = zext i8 ptrtoint (ptr @addr to i8) to i32
ret i32 %t
}
declare void @addr()
attributes #0 = { noinline optnone }