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222 lines
4.6 KiB
ArmAsm
222 lines
4.6 KiB
ArmAsm
@ This test has a partner (ldr-pseudo-darwin.s) that contains matching
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@ tests for the ldr-pseudo on darwin targets. We need separate files
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@ because the syntax for switching sections and temporary labels differs
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@ between darwin and linux. Any tests added here should have a matching
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@ test added there.
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@RUN: llvm-mc -triple armv7-unknown-linux-gnueabi %s | FileCheck %s
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@RUN: llvm-mc -triple thumbv5-unknown-linux-gnueabi %s | FileCheck %s
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@RUN: llvm-mc -triple thumbv7-unknown-linux-gnueabi %s | FileCheck %s
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@
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@ Check that large constants are converted to ldr from constant pool
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@
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@ simple test
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.section b,"ax",%progbits
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@ CHECK-LABEL: f3:
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f3:
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ldr r0, =0x10001
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@ CHECK: ldr r0, .Ltmp[[TMP0:[0-9]+]]
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@ loading multiple constants
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.section c,"ax",%progbits
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@ CHECK-LABEL: f4:
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f4:
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ldr r0, =0x10002
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@ CHECK: ldr r0, .Ltmp[[TMP1:[0-9]+]]
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adds r0, r0, #1
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adds r0, r0, #1
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adds r0, r0, #1
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adds r0, r0, #1
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ldr r0, =0x10003
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@ CHECK: ldr r0, .Ltmp[[TMP2:[0-9]+]]
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adds r0, r0, #1
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adds r0, r0, #1
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@ TODO: the same constants should have the same constant pool location
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.section d,"ax",%progbits
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@ CHECK-LABEL: f5:
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f5:
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ldr r0, =0x10004
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@ CHECK: ldr r0, .Ltmp[[TMP3:[0-9]+]]
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adds r0, r0, #1
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adds r0, r0, #1
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adds r0, r0, #1
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adds r0, r0, #1
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adds r0, r0, #1
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adds r0, r0, #1
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adds r0, r0, #1
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ldr r0, =0x10004
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@ CHECK: ldr r0, .Ltmp[[TMP4:[0-9]+]]
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adds r0, r0, #1
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adds r0, r0, #1
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adds r0, r0, #1
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adds r0, r0, #1
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adds r0, r0, #1
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adds r0, r0, #1
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@ a section defined in multiple pieces should be merged and use a single constant pool
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.section e,"ax",%progbits
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@ CHECK-LABEL: f6:
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f6:
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ldr r0, =0x10006
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@ CHECK: ldr r0, .Ltmp[[TMP5:[0-9]+]]
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adds r0, r0, #1
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adds r0, r0, #1
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adds r0, r0, #1
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.section f, "ax", %progbits
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@ CHECK-LABEL: f7:
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f7:
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adds r0, r0, #1
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adds r0, r0, #1
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adds r0, r0, #1
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.section e, "ax", %progbits
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@ CHECK-LABEL: f8:
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f8:
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adds r0, r0, #1
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ldr r0, =0x10007
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@ CHECK: ldr r0, .Ltmp[[TMP6:[0-9]+]]
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adds r0, r0, #1
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adds r0, r0, #1
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@
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@ Check that symbols can be loaded using ldr pseudo
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@
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@ load an undefined symbol
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.section g,"ax",%progbits
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@ CHECK-LABEL: f9:
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f9:
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ldr r0, =foo
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@ CHECK: ldr r0, .Ltmp[[TMP7:[0-9]+]]
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@ load a symbol from another section
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.section h,"ax",%progbits
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@ CHECK-LABEL: f10:
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f10:
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ldr r0, =f5
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@ CHECK: ldr r0, .Ltmp[[TMP8:[0-9]+]]
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@ load a symbol from the same section
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.section i,"ax",%progbits
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@ CHECK-LABEL: f11:
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f11:
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ldr r0, =f12
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@ CHECK: ldr r0, .Ltmp[[TMP9:[0-9]+]]
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@ CHECK-LABEL: f12:
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f12:
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adds r0, r0, #1
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adds r0, r0, #1
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.section j,"ax",%progbits
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@ mix of symbols and constants
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@ CHECK-LABEL: f13:
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f13:
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adds r0, r0, #1
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adds r0, r0, #1
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ldr r0, =0x101
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@ CHECK: ldr r0, .Ltmp[[TMP10:[0-9]+]]
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adds r0, r0, #1
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adds r0, r0, #1
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ldr r0, =bar
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@ CHECK: ldr r0, .Ltmp[[TMP11:[0-9]+]]
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adds r0, r0, #1
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adds r0, r0, #1
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@
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@ Check for correct usage in other contexts
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@
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@ usage in macro
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.macro useit_in_a_macro
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ldr r0, =0x10008
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ldr r0, =baz
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.endm
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.section k,"ax",%progbits
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@ CHECK-LABEL: f14:
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f14:
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useit_in_a_macro
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@ CHECK: ldr r0, .Ltmp[[TMP12:[0-9]+]]
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@ CHECK: ldr r0, .Ltmp[[TMP13:[0-9]+]]
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@ usage with expressions
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.section l, "ax", %progbits
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@ CHECK-LABEL: f15:
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f15:
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ldr r0, =0x10001+8
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@ CHECK: ldr r0, .Ltmp[[TMP14:[0-9]+]]
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adds r0, r0, #1
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ldr r0, =bar+4
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@ CHECK: ldr r0, .Ltmp[[TMP15:[0-9]+]]
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adds r0, r0, #1
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@
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@ Constant Pools
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@
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@ CHECK: .section b,"ax",%progbits
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@ CHECK: .align 2
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@ CHECK: .Ltmp[[TMP0]]
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@ CHECK: .long 65537
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@ CHECK: .section c,"ax",%progbits
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@ CHECK: .align 2
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@ CHECK: .Ltmp[[TMP1]]
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@ CHECK: .long 65538
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@ CHECK: .Ltmp[[TMP2]]
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@ CHECK: .long 65539
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@ CHECK: .section d,"ax",%progbits
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@ CHECK: .align 2
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@ CHECK: .Ltmp[[TMP3]]
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@ CHECK: .long 65540
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@ CHECK: .Ltmp[[TMP4]]
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@ CHECK: .long 65540
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@ CHECK: .section e,"ax",%progbits
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@ CHECK: .align 2
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@ CHECK: .Ltmp[[TMP5]]
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@ CHECK: .long 65542
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@ CHECK: .Ltmp[[TMP6]]
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@ CHECK: .long 65543
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@ Should not switch to section because it has no constant pool
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@ CHECK-NOT: .section f,"ax",%progbits
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@ CHECK: .section g,"ax",%progbits
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@ CHECK: .align 2
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@ CHECK: .Ltmp[[TMP7]]
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@ CHECK: .long foo
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@ CHECK: .section h,"ax",%progbits
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@ CHECK: .align 2
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@ CHECK: .Ltmp[[TMP8]]
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@ CHECK: .long f5
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@ CHECK: .section i,"ax",%progbits
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@ CHECK: .align 2
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@ CHECK: .Ltmp[[TMP9]]
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@ CHECK: .long f12
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@ CHECK: .section j,"ax",%progbits
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@ CHECK: .align 2
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@ CHECK: .Ltmp[[TMP10]]
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@ CHECK: .long 257
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@ CHECK: .Ltmp[[TMP11]]
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@ CHECK: .long bar
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@ CHECK: .section k,"ax",%progbits
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@ CHECK: .align 2
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@ CHECK: .Ltmp[[TMP12]]
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@ CHECK: .long 65544
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@ CHECK: .Ltmp[[TMP13]]
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@ CHECK: .long baz
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@ CHECK: .section l,"ax",%progbits
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@ CHECK: .align 2
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@ CHECK: .Ltmp[[TMP14]]
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@ CHECK: .long 65545
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@ CHECK: .Ltmp[[TMP15]]
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@ CHECK: .long bar+4
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