[llvm] r354207 - [bindings/go] Fix building on 32-bit systems (ARM etc.)

[whitequark via llvm-commits]

Author: whitequark
Date: Sat Feb 16 14:33:10 2019
New Revision: 354207

URL: http://llvm.org/viewvc/llvm-project?rev=354207&view=rev
Log:
[bindings/go] Fix building on 32-bit systems (ARM etc.)

Summary:
The patch in https://reviews.llvm.org/D53883 (by me) fails to build on 32-bit systems like ARM. Fix the array size to be less ridiculously large. 2<<20 should still be enough for all practical purposes.

Bug: https://bugs.llvm.org/show_bug.cgi?id=40426

Reviewers: whitequark, pcc

Reviewed By: whitequark

Subscribers: javed.absar, kristof.beyls, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D58030

Modified:
    llvm/trunk/bindings/go/llvm/ir.go

Modified: llvm/trunk/bindings/go/llvm/ir.go
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/bindings/go/llvm/ir.go?rev=354207&r1=354206&r2=354207&view=diff
==============================================================================
--- llvm/trunk/bindings/go/llvm/ir.go (original)
+++ llvm/trunk/bindings/go/llvm/ir.go Sat Feb 16 14:33:10 2019
@@ -1262,7 +1262,7 @@ func (v Value) Indices() []uint32 {
 	num := C.LLVMGetNumIndices(v.C)
 	indicesPtr := C.LLVMGetIndices(v.C)
 	// https://github.com/golang/go/wiki/cgo#turning-c-arrays-into-go-slices
-	rawIndices := (*[1 << 30]C.uint)(unsafe.Pointer(indicesPtr))[:num:num]
+	rawIndices := (*[1 << 20]C.uint)(unsafe.Pointer(indicesPtr))[:num:num]
 	indices := make([]uint32, num)
 	for i := range indices {
 		indices[i] = uint32(rawIndices[i])