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llvm-project/llvm/test/CodeGen/ARM/cortex-a57-misched-vldm-wrb...

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[ARM] Cortex-A57 scheduling model for ARM backend (AArch32) This patch implements the Cortex-A57 scheduling model. The main code is in ARMScheduleA57.td, ARMScheduleA57WriteRes.td. Small changes in cpp,.h files to support required scheduling predicates. Scheduling model implemented according to: http://infocenter.arm.com/help/topic/com.arm.doc.uan0015b/Cortex_A57_Software_Optimization_Guide_external.pdf. Patch by : Andrew Zhogin (submitted on his behalf, as requested). Rewiewed by: Renato Golin, Diana Picus, Javed Absar, Kristof Beyls. Differential Revision: https://reviews.llvm.org/D28152 llvm-svn: 304530
2017-06-02 16:53:19 +08:00
; REQUIRES: asserts
; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=cortex-a57 -misched-postra -enable-misched -verify-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s
;
@a = global double 0.0, align 4
@b = global double 0.0, align 4
@c = global double 0.0, align 4
; CHECK: ********** MI Scheduling **********
; We need second, post-ra scheduling to have VLDM instruction combined from single-loads
; CHECK: ********** MI Scheduling **********
; CHECK: VLDMDIA_UPD
; CHECK: rdefs left
; CHECK-NEXT: Latency : 6
; CHECK: Successors:
[CodeGen] Add dependency printer Add SDep printer to make debugging sessions more productive. Differential revision: https://reviews.llvm.org/D35144 llvm-svn: 307799
2017-07-12 23:30:59 +08:00
; CHECK: Data
[ARM] Cortex-A57 scheduling model for ARM backend (AArch32) This patch implements the Cortex-A57 scheduling model. The main code is in ARMScheduleA57.td, ARMScheduleA57WriteRes.td. Small changes in cpp,.h files to support required scheduling predicates. Scheduling model implemented according to: http://infocenter.arm.com/help/topic/com.arm.doc.uan0015b/Cortex_A57_Software_Optimization_Guide_external.pdf. Patch by : Andrew Zhogin (submitted on his behalf, as requested). Rewiewed by: Renato Golin, Diana Picus, Javed Absar, Kristof Beyls. Differential Revision: https://reviews.llvm.org/D28152 llvm-svn: 304530
2017-06-02 16:53:19 +08:00
; CHECK-SAME: Latency=1
[CodeGen] Add dependency printer Add SDep printer to make debugging sessions more productive. Differential revision: https://reviews.llvm.org/D35144 llvm-svn: 307799
2017-07-12 23:30:59 +08:00
; CHECK-NEXT: Data
[ARM] Cortex-A57 scheduling model for ARM backend (AArch32) This patch implements the Cortex-A57 scheduling model. The main code is in ARMScheduleA57.td, ARMScheduleA57WriteRes.td. Small changes in cpp,.h files to support required scheduling predicates. Scheduling model implemented according to: http://infocenter.arm.com/help/topic/com.arm.doc.uan0015b/Cortex_A57_Software_Optimization_Guide_external.pdf. Patch by : Andrew Zhogin (submitted on his behalf, as requested). Rewiewed by: Renato Golin, Diana Picus, Javed Absar, Kristof Beyls. Differential Revision: https://reviews.llvm.org/D28152 llvm-svn: 304530
2017-06-02 16:53:19 +08:00
; CHECK-SAME: Latency=1
[CodeGen] Add dependency printer Add SDep printer to make debugging sessions more productive. Differential revision: https://reviews.llvm.org/D35144 llvm-svn: 307799
2017-07-12 23:30:59 +08:00
; CHECK-NEXT: Data
[ARM] Cortex-A57 scheduling model for ARM backend (AArch32) This patch implements the Cortex-A57 scheduling model. The main code is in ARMScheduleA57.td, ARMScheduleA57WriteRes.td. Small changes in cpp,.h files to support required scheduling predicates. Scheduling model implemented according to: http://infocenter.arm.com/help/topic/com.arm.doc.uan0015b/Cortex_A57_Software_Optimization_Guide_external.pdf. Patch by : Andrew Zhogin (submitted on his behalf, as requested). Rewiewed by: Renato Golin, Diana Picus, Javed Absar, Kristof Beyls. Differential Revision: https://reviews.llvm.org/D28152 llvm-svn: 304530
2017-06-02 16:53:19 +08:00
; CHECK-SAME: Latency=5
[CodeGen] Add dependency printer Add SDep printer to make debugging sessions more productive. Differential revision: https://reviews.llvm.org/D35144 llvm-svn: 307799
2017-07-12 23:30:59 +08:00
; CHECK-NEXT: Data
[SchedModel] Fix for read advance cycles with implicit pseudo operands. The SchedModel allows the addition of ReadAdvances to express that certain operands of the instructions are needed at a later point than the others. RegAlloc may add pseudo operands that are not part of the instruction descriptor, and therefore cannot have any read advance entries. This meant that in some cases the desired read advance was nullified by such a pseudo operand, which still had the original latency. This patch fixes this by making sure that such pseudo operands get a zero latency during DAG construction. Review: Matthias Braun, Ulrich Weigand. https://reviews.llvm.org/D49671 llvm-svn: 345606
2018-10-30 23:04:40 +08:00
; CHECK-SAME: Latency=0
[CodeGen] Add dependency printer Add SDep printer to make debugging sessions more productive. Differential revision: https://reviews.llvm.org/D35144 llvm-svn: 307799
2017-07-12 23:30:59 +08:00
; CHECK-NEXT: Data
[SchedModel] Fix for read advance cycles with implicit pseudo operands. The SchedModel allows the addition of ReadAdvances to express that certain operands of the instructions are needed at a later point than the others. RegAlloc may add pseudo operands that are not part of the instruction descriptor, and therefore cannot have any read advance entries. This meant that in some cases the desired read advance was nullified by such a pseudo operand, which still had the original latency. This patch fixes this by making sure that such pseudo operands get a zero latency during DAG construction. Review: Matthias Braun, Ulrich Weigand. https://reviews.llvm.org/D49671 llvm-svn: 345606
2018-10-30 23:04:40 +08:00
; CHECK-SAME: Latency=0
[ARM] Cortex-A57 scheduling model for ARM backend (AArch32) This patch implements the Cortex-A57 scheduling model. The main code is in ARMScheduleA57.td, ARMScheduleA57WriteRes.td. Small changes in cpp,.h files to support required scheduling predicates. Scheduling model implemented according to: http://infocenter.arm.com/help/topic/com.arm.doc.uan0015b/Cortex_A57_Software_Optimization_Guide_external.pdf. Patch by : Andrew Zhogin (submitted on his behalf, as requested). Rewiewed by: Renato Golin, Diana Picus, Javed Absar, Kristof Beyls. Differential Revision: https://reviews.llvm.org/D28152 llvm-svn: 304530
2017-06-02 16:53:19 +08:00
define i32 @bar(i32* %iptr) minsize optsize {
%1 = load double, double* @a, align 8
%2 = load double, double* @b, align 8
%3 = load double, double* @c, align 8
%ptr_after = getelementptr double, double* @a, i32 3
%ptr_new_ival = ptrtoint double* %ptr_after to i32
%ptr_new = inttoptr i32 %ptr_new_ival to i32*
store i32 %ptr_new_ival, i32* %iptr, align 8
%v1 = fptoui double %1 to i32
%mul1 = mul i32 %ptr_new_ival, %v1
%v2 = fptoui double %2 to i32
%v3 = fptoui double %3 to i32
%mul2 = mul i32 %mul1, %v2
%mul3 = mul i32 %mul2, %v3
ret i32 %mul3
}