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llvm-mirror/test/CodeGen/Thumb2/large-call.ll

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Enable ARM base pointer when calling functions with large arguments. When an outgoing call takes more than 2k of arguments on the stack, we don't allocate that call frame in the prolog, but adjust the stack pointer immediately before the call instead. This causes problems with the emergency spill slot because PEI can't track stack pointer adjustments on the second pass, and if the outgoing arguments are too big, SP can't be used to reach the emergency spill slot at all. Work around these problems by ensuring there is a base or frame pointer that can be used to access the emergency spill slot. <rdar://problem/10917166> llvm-svn: 151604
2012-02-28 02:15:01 +01:00
; RUN: llc < %s -O0 -mcpu=cortex-a8 | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
target triple = "thumbv7-apple-ios0.0.0"
; This test case would clobber the outgoing call arguments by writing to the
[arm-fast-isel] Add support for vararg function calls. llvm-svn: 160500
2012-07-19 11:49:00 +02:00
; emergency spill slots at [sp, #4] or [sp, #8] without adjusting the stack
; pointer first.
Enable ARM base pointer when calling functions with large arguments. When an outgoing call takes more than 2k of arguments on the stack, we don't allocate that call frame in the prolog, but adjust the stack pointer immediately before the call instead. This causes problems with the emergency spill slot because PEI can't track stack pointer adjustments on the second pass, and if the outgoing arguments are too big, SP can't be used to reach the emergency spill slot at all. Work around these problems by ensuring there is a base or frame pointer that can be used to access the emergency spill slot. <rdar://problem/10917166> llvm-svn: 151604
2012-02-28 02:15:01 +01:00
; CHECK: main
; CHECK: vmov.f64
; Adjust SP for the large call
; CHECK: sub sp,
[arm-fast-isel] Add support for vararg function calls. llvm-svn: 160500
2012-07-19 11:49:00 +02:00
; Store to call frame + #8
; CHECK: vstr{{.*\[}}sp, #8]
Enable ARM base pointer when calling functions with large arguments. When an outgoing call takes more than 2k of arguments on the stack, we don't allocate that call frame in the prolog, but adjust the stack pointer immediately before the call instead. This causes problems with the emergency spill slot because PEI can't track stack pointer adjustments on the second pass, and if the outgoing arguments are too big, SP can't be used to reach the emergency spill slot at all. Work around these problems by ensuring there is a base or frame pointer that can be used to access the emergency spill slot. <rdar://problem/10917166> llvm-svn: 151604
2012-02-28 02:15:01 +01:00
; Don't clobber that store until the call.
; CHECK-NOT: [sp, #4]
[arm-fast-isel] Add support for vararg function calls. llvm-svn: 160500
2012-07-19 11:49:00 +02:00
; CHECK-NOT: [sp, #8]
Enable ARM base pointer when calling functions with large arguments. When an outgoing call takes more than 2k of arguments on the stack, we don't allocate that call frame in the prolog, but adjust the stack pointer immediately before the call instead. This causes problems with the emergency spill slot because PEI can't track stack pointer adjustments on the second pass, and if the outgoing arguments are too big, SP can't be used to reach the emergency spill slot at all. Work around these problems by ensuring there is a base or frame pointer that can be used to access the emergency spill slot. <rdar://problem/10917166> llvm-svn: 151604
2012-02-28 02:15:01 +01:00
; CHECK: variadic
define i32 @main() ssp {
entry:
%d = alloca double, align 8
store double 1.000000e+00, double* %d, align 8
%0 = load double* %d, align 8
call void (i8*, i8*, i8*, ...)* @variadic(i8* null, i8* null, i8* null, i32 1, double 1.234800e+03, double 2.363450e+03, double %0, i32 1, double 1.234560e+03, double 2.345670e+03, double 4.6334563e+03, double 2.423440e+03, double 4.234330e+03, double 2.965430e+03, i32 1, double 4.669300e+03, double 2.927500e+03, double 4.663100e+03, double 2.921000e+03, double 4.663100e+03, double 2.345100e+03, i32 1, double 3.663100e+03, double 2.905100e+03, double 4.669300e+03, double 2.898600e+03, double 4.676900e+03, double 2.898600e+03, i32 1, double 4.684600e+03, double 2.898600e+03, double 1.234800e+03, double 2.905100e+03, double 1.234800e+03, double 2.345100e+03, i32 1, double 7.719700e+03, double 2.920500e+03, double 4.713500e+03, double 2.927000e+03, double 4.705800e+03, double 2.927000e+03, i32 1, double 8.698200e+03, double 2.927000e+03, double 4.692000e+03, double 2.920500e+03, double 4.692000e+03, double 2.912500e+03, i32 1, double 4.692000e+03, double 2.945600e+03, double 4.698200e+03, double 2.898100e+03, double 4.705800e+03, double 2.898100e+03, i32 1, double 4.713500e+03, double 2.898100e+03, double 4.719700e+03, double 2.945600e+03, double 4.719700e+03, double 2.912500e+03, i32 1, double 4.749200e+03, double 2.920100e+03, double 4.743000e+03, double 2.926600e+03, double 4.735300e+03, double 2.926600e+03, i32 1, double 4.727700e+03, double 2.926600e+03, double 4.721500e+03, double 2.920100e+03, double 4.721500e+03, double 2.912100e+03, i32 1, double 4.721500e+03, double 2.945100e+03, double 4.727700e+03, double 2.897700e+03, double 4.735300e+03, double 2.897700e+03, i32 1, double 4.743000e+03, double 2.897700e+03, double 4.749200e+03, double 2.945100e+03, double 4.749200e+03, double 2.912100e+03, i32 1, double 4.778200e+03, double 2.920100e+03, double 4.772000e+03, double 2.926600e+03, double 4.764300e+03, double 2.926600e+03, i32 1, double 4.756700e+03, double 2.926600e+03, double 4.750500e+03, double 2.920100e+03, double 4.750500e+03, double 2.912100e+03, i32 1, double 4.750500e+03, double 2.945100e+03, double 4.756700e+03, double 2.897700e+03, double 4.764300e+03, double 2.897700e+03, i32 1, double 4.772000e+03, double 2.897700e+03, double 4.778200e+03, double 2.945100e+03, double 4.778200e+03, double 2.912100e+03, i32 1, double 4.801900e+03, double 2.942100e+03, double 4.795700e+03, double 2.948500e+03, double 4.788100e+03, double 2.948500e+03, i32 1, double 4.780500e+03, double 2.948500e+03, double 4.774300e+03, double 2.942100e+03, double 4.774300e+03, double 2.934100e+03, i32 1, double 4.774300e+03, double 2.926100e+03, double 4.780500e+03, double 2.919600e+03, double 4.788100e+03, double 2.919600e+03, i32 1, double 4.795700e+03, double 2.919600e+03, double 4.801900e+03, double 2.926100e+03, double 4.801900e+03, double 2.934100e+03, i32 1, double 4.801500e+03, double 2.972500e+03, double 4.795300e+03, double 2.978900e+03, double 4.787700e+03, double 2.978900e+03, i32 1, double 4.780000e+03, double 2.978900e+03, double 4.773800e+03, double 2.972500e+03, double 4.773800e+03, double 2.964500e+03, i32 1, double 4.773800e+03, double 2.956500e+03, double 4.780000e+03, double 2.950000e+03, double 4.787700e+03, double 2.950000e+03, i32 1, double 4.795300e+03, double 2.950000e+03, double 4.801500e+03, double 2.956500e+03, double 4.801500e+03, double 2.964500e+03, i32 1, double 4.802400e+03, double 3.010200e+03, double 4.796200e+03, double 3.016600e+03, double 4.788500e+03, double 3.016600e+03, i32 1, double 4.780900e+03, double 3.016600e+03, double 4.774700e+03, double 3.010200e+03, double 4.774700e+03, double 3.002200e+03, i32 1, double 4.774700e+03, double 2.994200e+03, double 4.780900e+03, double 2.987700e+03, double 4.788500e+03, double 2.987700e+03, i32 1, double 4.796200e+03, double 2.987700e+03, double 4.802400e+03, double 2.994200e+03, double 4.802400e+03, double 3.002200e+03, i32 1, double 4.802400e+03, double 3.039400e+03, double 4.796200e+03, double 3.455800e+03, double 4.788500e+03, double 3.455800e+03, i32 1, double 4.780900e+03, double 3.455800e+03, double 4.774700e+03, double 3.039400e+03, double 4.774
ret i32 0
}
declare void @variadic(i8*, i8*, i8*, ...)
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