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9868c996a4
Summary: Relocations are required for unconditional branches to function symbols with different execution mode. Without this patch, incorrect branches are generated for tail calls between functions with different execution mode. Reviewers: peter.smith, rafael, echristo, kristof.beyls Reviewed By: peter.smith Subscribers: aemerson, javed.absar, llvm-commits Differential Revision: https://reviews.llvm.org/D33898 llvm-svn: 304882
26 lines
720 B
LLVM
26 lines
720 B
LLVM
; RUN: llc -O0 < %s -mtriple armv7-linux-gnueabi -o - \
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; RUN: | llvm-mc -triple armv7-linux-gnueabi -filetype=obj -o - \
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; RUN: | llvm-readobj -r | FileCheck %s
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "armv7--linux-gnueabihf"
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define internal i32 @arm_fn() #1 {
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%1 = tail call i32 @thumb_fn()
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ret i32 %1
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}
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define internal i32 @thumb_fn() #2 {
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%1 = tail call i32 @arm_fn()
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ret i32 %1
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}
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attributes #1 = { "target-features"="-thumb-mode" }
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attributes #2 = { "target-features"="+thumb-mode" }
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; CHECK: Relocations [
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; CHECK-NEXT: Section (3) .rel.text {
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; CHECK-NEXT: 0x0 R_ARM_JUMP24 thumb_fn 0x0
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; CHECK-NEXT: 0x4 R_ARM_THM_JUMP24 arm_fn 0x0
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; CHECK-NEXT: }
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