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compiler: move LLVM math builtin support into the compiler

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This simplifies src/runtime/math.go, which I eventually want to remove
entirely by moving the given functionality into the compiler.
This commit is contained in:
Ayke van Laethem
2021-08-06 15:49:02 +02:00
committed by Ron Evans
parent ca7c849da3
commit 58565b42cc
7 changed files with 138 additions and 37 deletions
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compiler/testdata/intrinsics-cortex-m-qemu.ll
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+27
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@@ -0,0 +1,27 @@
; ModuleID = 'intrinsics.go'
source_filename = "intrinsics.go"
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "armv7m-none-eabi"
declare noalias nonnull i8* @runtime.alloc(i32, i8*, i8*)
define hidden void @main.init(i8* %context, i8* %parentHandle) unnamed_addr {
entry:
ret void
}
define hidden double @main.mySqrt(double %x, i8* %context, i8* %parentHandle) unnamed_addr {
entry:
%0 = call double @math.Sqrt(double %x, i8* undef, i8* undef)
ret double %0
}
declare double @math.Sqrt(double, i8*, i8*)
define hidden double @main.myTrunc(double %x, i8* %context, i8* %parentHandle) unnamed_addr {
entry:
%0 = call double @math.Trunc(double %x, i8* undef, i8* undef)
ret double %0
}
declare double @math.Trunc(double, i8*, i8*)