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47fcd811a7
Currently the AsmPrinter cannot emit some floating point constant expressions in global initializers. Avoid generating them. Reviewers: dmgreen, t.p.northover, arsenm, efriedma, Gerolf Reviewed By: efriedma Differential Revision: https://reviews.llvm.org/D79865
65 lines
2.8 KiB
LLVM
65 lines
2.8 KiB
LLVM
; RUN: llc -o - %s | FileCheck %s
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; AsmPrinter cannot lower floating point constant expressions in global
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; initializers. Check that we do not create new globals with float constant
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; expressions in initializers.
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "arm64-apple-ios14.0.0"
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define [1 x <4 x float>] @test1() {
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; CHECK-LABEL: .p2align 4 ; -- Begin function test1
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; CHECK-NEXT: lCPI0_0:
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; CHECK-NEXT: .quad 0 ; 0x0
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; CHECK-NEXT: .quad 4575657221408423936 ; 0x3f80000000000000
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; CHECK-NEXT: .section __TEXT,__text,regular,pure_instructions
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; CHECK-NEXT: .globl _test1
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; CHECK-NEXT: .p2align 2
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; CHECK-NEXT: _test1: ; @test1
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; CHECK-NEXT: .cfi_startproc
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; CHECK-NEXT: ; %bb.0:
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; CHECK-NEXT: Lloh0:
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; CHECK-NEXT: adrp x8, lCPI0_0@PAGE
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; CHECK-NEXT: Lloh1:
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; CHECK-NEXT: ldr q0, [x8, lCPI0_0@PAGEOFF]
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; CHECK-NEXT: ret
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ret [1 x <4 x float>] [<4 x float> bitcast (<1 x i128> <i128 84405977732342157929391748327801880576> to <4 x float>)]
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}
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define [1 x <4 x float>] @test2() {
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; CHECK-LABEL: .p2align 4 ; -- Begin function test2
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; CHECK-NEXT: lCPI1_0:
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; CHECK-NEXT: .long 0x00000000 ; float 0
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; CHECK-NEXT: .long 0x00000000 ; float 0
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; CHECK-NEXT: .long 0x00000000 ; float 0
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; CHECK-NEXT: .long 0x3f800000 ; float 1
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; CHECK-NEXT: .section __TEXT,__text,regular,pure_instructions
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; CHECK-NEXT: .globl _test2
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; CHECK-NEXT: .p2align 2
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; CHECK-NEXT: _test2: ; @test2
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; CHECK-NEXT: .cfi_startproc
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; CHECK-NEXT: ; %bb.0:
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; CHECK-NEXT: Lloh2:
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; CHECK-NEXT: adrp x8, lCPI1_0@PAGE
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; CHECK-NEXT: Lloh3:
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; CHECK-NEXT: ldr q1, [x8, lCPI1_0@PAGEOFF]
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; CHECK-NEXT: mov s2, v1[1]
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; CHECK-NEXT: fneg s0, s1
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; CHECK-NEXT: mov s3, v1[2]
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; CHECK-NEXT: fneg s2, s2
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; CHECK-NEXT: mov s1, v1[3]
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; CHECK-NEXT: fneg s3, s3
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; CHECK-NEXT: mov.s v0[1], v2[0]
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; CHECK-NEXT: mov.s v0[2], v3[0]
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; CHECK-NEXT: fneg s1, s1
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; CHECK-NEXT: mov.s v0[3], v1[0]
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; CHECK-NEXT: ret
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;
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ret [1 x <4 x float>] [<4 x float>
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<float fneg (float extractelement (<4 x float> bitcast (<1 x i128> <i128 84405977732342157929391748327801880576> to <4 x float>), i32 0)),
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float fneg (float extractelement (<4 x float> bitcast (<1 x i128> <i128 84405977732342157929391748327801880576> to <4 x float>), i32 1)),
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float fneg (float extractelement (<4 x float> bitcast (<1 x i128> <i128 84405977732342157929391748327801880576> to <4 x float>), i32 2)),
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float fneg (float extractelement (<4 x float> bitcast (<1 x i128> <i128 84405977732342157929391748327801880576> to <4 x float>), i32 3))>]
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}
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