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7ed143a4a1
Printing floating point number in decimal is inconvenient for humans. Verbose asm output will print out floating point values in comments, it helps. But in lots of cases, users still need additional work to covert the decimal back to hex or binary to check the bit patterns, especially when there are small precision difference. Hexadecimal form is one of the supported form in LLVM IR, and easier for debugging. This patch try to print all FP constant in hex form instead. Reviewed By: RKSimon Differential Revision: https://reviews.llvm.org/D73566
32 lines
739 B
LLVM
32 lines
739 B
LLVM
; RUN: llc < %s -mtriple=arm64-apple-darwin | FileCheck %s
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; CHECK: literal8
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; CHECK: .quad 0x400921fb54442d18
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define double @foo() {
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; CHECK: _foo:
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; CHECK: adrp x[[REG:[0-9]+]], lCPI0_0@PAGE
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; CHECK: ldr d0, [x[[REG]], lCPI0_0@PAGEOFF]
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; CHECK-NEXT: ret
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ret double 0x400921FB54442D18
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}
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define float @bar() {
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; CHECK: _bar:
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; CHECK: mov [[REG:w[0-9]+]], #4059
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; CHECK: movk [[REG]], #16457, lsl #16
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; CHECK: fmov s0, [[REG]]
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; CHECK-NEXT: ret
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ret float 0x400921FB60000000
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}
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; CHECK: literal16
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; CHECK: .quad 0
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; CHECK: .quad 0
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define fp128 @baz() {
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; CHECK: _baz:
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; CHECK: adrp x[[REG:[0-9]+]], lCPI2_0@PAGE
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; CHECK: ldr q0, [x[[REG]], lCPI2_0@PAGEOFF]
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; CHECK-NEXT: ret
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ret fp128 0xL00000000000000000000000000000000
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}
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