698c6b0a09
As mentioned in TODO comment, casting double to float causes NaNs to change bits. To avoid the change, this patch adds support for single-floating-point immediate value on MachineCode. Patch by Yuta Saito. Differential Revision: https://reviews.llvm.org/D77384
30 lines
570 B
LLVM
30 lines
570 B
LLVM
; RUN: llc < %s --filetype=obj | llvm-objdump -d - | FileCheck %s
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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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define float @float_sNaN() #0 {
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entry:
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; CHECK: 00 00 a0 7f
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ret float 0x7ff4000000000000
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}
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define float @float_qNaN() #0 {
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entry:
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; CHECK: 00 00 e0 7f
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ret float 0x7ffc000000000000
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}
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define double @double_sNaN() #0 {
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entry:
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; CHECK: 00 00 00 00 00 00 f4 7f
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ret double 0x7ff4000000000000
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}
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define double @double_qNaN() #0 {
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entry:
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; CHECK: 00 00 00 00 00 00 fc 7f
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ret double 0x7ffc000000000000
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}
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