63 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -relocation-model=pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
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| ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -relocation-model=pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARMv7
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| ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -arm-force-fast-isel -relocation-model=pic -mtriple=thumbv7-none-linux-gnueabi | FileCheck %s --check-prefix=THUMB-ELF
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| ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -arm-force-fast-isel -relocation-model=pic -mtriple=armv7-none-linux-gnueabi | FileCheck %s --check-prefix=ARMv7-ELF
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| 
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| @g = global i32 0, align 4
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| 
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| define i32 @LoadGV() {
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| entry:
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| ; THUMB: LoadGV
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| ; THUMB: movw [[reg0:r[0-9]+]],
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| ; THUMB: movt [[reg0]],
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| ; THUMB: add  [[reg0]], pc
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| ; THUMB-ELF: LoadGV
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| ; THUMB-ELF: ldr r[[reg0:[0-9]+]],
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| ; THUMB-ELF: add r[[reg0]], pc
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| ; THUMB-ELF: ldr r[[reg0]], [r[[reg0]]]
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| ; ARM: LoadGV
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| ; ARM: ldr [[reg1:r[0-9]+]],
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| ; ARM: add [[reg1]], pc, [[reg1]]
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| ; ARMv7: LoadGV
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| ; ARMv7: movw [[reg2:r[0-9]+]],
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| ; ARMv7: movt [[reg2]],
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| ; ARMv7: add  [[reg2]], pc, [[reg2]]
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| ; ARMv7-ELF: LoadGV
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| ; ARMv7-ELF: ldr r[[reg2:[0-9]+]],
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| ; ARMv7-ELF: .LPC
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| ; ARMv7-ELF-NEXT: ldr r[[reg2]], [pc, r[[reg2]]]
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| ; ARMv7-ELF: ldr r[[reg2]], [r[[reg2]]]
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|   %tmp = load i32, i32* @g
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|   ret i32 %tmp
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| }
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| 
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| @i = external global i32
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| 
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| define i32 @LoadIndirectSymbol() {
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| entry:
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| ; THUMB: LoadIndirectSymbol
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| ; THUMB: movw r[[reg3:[0-9]+]],
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| ; THUMB: movt r[[reg3]],
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| ; THUMB: add  r[[reg3]], pc
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| ; THUMB: ldr  r[[reg3]], [r[[reg3]]]
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| ; THUMB-ELF: LoadIndirectSymbol
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| ; THUMB-ELF: ldr r[[reg3:[0-9]+]],
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| ; THUMB-ELF: ldr r[[reg4:[0-9]+]], [r[[reg3]]]
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| ; THUMB-ELF: ldr r0, [r[[reg4]]]
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| ; ARM: LoadIndirectSymbol
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| ; ARM: ldr [[reg4:r[0-9]+]],
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| ; ARM: ldr [[reg4]], [pc, [[reg4]]]
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| ; ARMv7: LoadIndirectSymbol
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| ; ARMv7: movw r[[reg5:[0-9]+]],
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| ; ARMv7: movt r[[reg5]],
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| ; ARMv7: add  r[[reg5]], pc, r[[reg5]]
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| ; ARMv7: ldr  r[[reg5]], [r[[reg5]]]
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| ; ARMv7-ELF: LoadIndirectSymbol
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| ; ARMv7-ELF: ldr r[[reg5:[0-9]+]],
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| ; ARMv7-ELF: .LPC
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| ; ARMv7-ELF: ldr r[[reg6:[0-9]+]], [pc, r[[reg5]]]
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| ; ARMv7-ELF: ldr r0, [r[[reg5]]]
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|   %tmp = load i32, i32* @i
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|   ret i32 %tmp
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| }
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