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|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-- -mattr=-macrofusion,-branchfusion -post-RA-scheduler=0 | FileCheck %s --check-prefixes=NOFUSION,NOFUSION_NOPOSTRA
; RUN: llc < %s -mtriple=x86_64-- -mattr=-macrofusion,+branchfusion -post-RA-scheduler=0 | FileCheck %s --check-prefixes=FUSION,BRANCHFUSIONONLY_NOPOSTRA
; RUN: llc < %s -mtriple=x86_64-- -mattr=+macrofusion,-branchfusion -post-RA-scheduler=0 | FileCheck %s --check-prefixes=FUSION,MACROFUSION_NOPOSTRA
; RUN: llc < %s -mtriple=x86_64-- -mattr=-macrofusion,-branchfusion -post-RA-scheduler=1 | FileCheck %s --check-prefixes=NOFUSION,NOFUSION_POSTRA
; RUN: llc < %s -mtriple=x86_64-- -mattr=-macrofusion,+branchfusion -post-RA-scheduler=1 | FileCheck %s --check-prefixes=FUSION,BRANCHFUSION_POSTRA
; RUN: llc < %s -mtriple=x86_64-- -mattr=+macrofusion,-branchfusion -post-RA-scheduler=1 | FileCheck %s --check-prefixes=FUSION,BRANCHFUSION_POSTRA
; RUN: llc < %s -mtriple=x86_64-- -mattr=-macrofusion,-branchfusion -enable-misched=0 -misched-postra=1 -enable-post-misched | FileCheck %s --check-prefixes=NOFUSION,NOFUSION_MISCHEDPOSTRA
; RUN: llc < %s -mtriple=x86_64-- -mattr=-macrofusion,+branchfusion -enable-misched=0 -misched-postra=1 -enable-post-misched | FileCheck %s --check-prefixes=FUSION,BRANCHFUSION_MISCHEDPOSTRA
; RUN: llc < %s -mtriple=x86_64-- -mattr=+macrofusion,-branchfusion -enable-misched=0 -misched-postra=1 -enable-post-misched | FileCheck %s --check-prefixes=FUSION,BRANCHFUSION_MISCHEDPOSTRA
; testb should be scheduled right before je to enable macro-fusion.
define i32 @macrofuse_test_je(i32 %flags, i8* %p) nounwind {
; NOFUSION-LABEL: macrofuse_test_je:
; NOFUSION: # %bb.0: # %entry
; NOFUSION-NEXT: xorl %eax, %eax
; NOFUSION-NEXT: testl $512, %edi # imm = 0x200
; NOFUSION-NEXT: movb $1, (%rsi)
; NOFUSION-NEXT: je .LBB0_2
; NOFUSION-NEXT: # %bb.1: # %if.then
; NOFUSION-NEXT: movl $1, %eax
; NOFUSION-NEXT: .LBB0_2: # %if.end
; NOFUSION-NEXT: retq
;
; FUSION-LABEL: macrofuse_test_je:
; FUSION: # %bb.0: # %entry
; FUSION-NEXT: xorl %eax, %eax
; FUSION-NEXT: movb $1, (%rsi)
; FUSION-NEXT: testl $512, %edi # imm = 0x200
; FUSION-NEXT: je .LBB0_2
; FUSION-NEXT: # %bb.1: # %if.then
; FUSION-NEXT: movl $1, %eax
; FUSION-NEXT: .LBB0_2: # %if.end
; FUSION-NEXT: retq
entry:
%and = and i32 %flags, 512
%tobool = icmp eq i32 %and, 0
store i8 1, i8* %p
br i1 %tobool, label %if.end, label %if.then
if.then:
br label %if.end
if.end:
%hasflag = phi i32 [ 1, %if.then ], [ 0, %entry ]
ret i32 %hasflag
}
define i32 @macrofuse_cmp_je(i32 %flags, i8* %p) nounwind {
; NOFUSION-LABEL: macrofuse_cmp_je:
; NOFUSION: # %bb.0: # %entry
; NOFUSION-NEXT: cmpl $512, %edi # imm = 0x200
; NOFUSION-NEXT: movb $1, (%rsi)
; NOFUSION-NEXT: je .LBB1_1
; NOFUSION-NEXT: # %bb.2: # %if.then
; NOFUSION-NEXT: movl $1, %eax
; NOFUSION-NEXT: retq
; NOFUSION-NEXT: .LBB1_1:
; NOFUSION-NEXT: xorl %eax, %eax
; NOFUSION-NEXT: retq
;
; FUSION-LABEL: macrofuse_cmp_je:
; FUSION: # %bb.0: # %entry
; FUSION-NEXT: movb $1, (%rsi)
; FUSION-NEXT: cmpl $512, %edi # imm = 0x200
; FUSION-NEXT: je .LBB1_1
; FUSION-NEXT: # %bb.2: # %if.then
; FUSION-NEXT: movl $1, %eax
; FUSION-NEXT: retq
; FUSION-NEXT: .LBB1_1:
; FUSION-NEXT: xorl %eax, %eax
; FUSION-NEXT: retq
entry:
%sub = sub i32 %flags, 512
%tobool = icmp eq i32 %sub, 0
store i8 1, i8* %p
br i1 %tobool, label %if.end, label %if.then
if.then:
br label %if.end
if.end:
%hasflag = phi i32 [ 1, %if.then ], [ 0, %entry ]
ret i32 %hasflag
}
define i32 @macrofuse_alu_je(i32 %flags, i8* %p) nounwind {
; NOFUSION_NOPOSTRA-LABEL: macrofuse_alu_je:
; NOFUSION_NOPOSTRA: # %bb.0: # %entry
; NOFUSION_NOPOSTRA-NEXT: movl %edi, %eax
; NOFUSION_NOPOSTRA-NEXT: addl $-512, %eax # imm = 0xFE00
; NOFUSION_NOPOSTRA-NEXT: movb $1, (%rsi)
; NOFUSION_NOPOSTRA-NEXT: je .LBB2_2
; NOFUSION_NOPOSTRA-NEXT: # %bb.1: # %if.then
; NOFUSION_NOPOSTRA-NEXT: movl $1, %eax
; NOFUSION_NOPOSTRA-NEXT: .LBB2_2: # %if.end
; NOFUSION_NOPOSTRA-NEXT: retq
;
; BRANCHFUSIONONLY_NOPOSTRA-LABEL: macrofuse_alu_je:
; BRANCHFUSIONONLY_NOPOSTRA: # %bb.0: # %entry
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: movl %edi, %eax
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: addl $-512, %eax # imm = 0xFE00
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: movb $1, (%rsi)
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: je .LBB2_2
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: # %bb.1: # %if.then
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: movl $1, %eax
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: .LBB2_2: # %if.end
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: retq
;
; MACROFUSION_NOPOSTRA-LABEL: macrofuse_alu_je:
; MACROFUSION_NOPOSTRA: # %bb.0: # %entry
; MACROFUSION_NOPOSTRA-NEXT: movl %edi, %eax
; MACROFUSION_NOPOSTRA-NEXT: movb $1, (%rsi)
; MACROFUSION_NOPOSTRA-NEXT: addl $-512, %eax # imm = 0xFE00
; MACROFUSION_NOPOSTRA-NEXT: je .LBB2_2
; MACROFUSION_NOPOSTRA-NEXT: # %bb.1: # %if.then
; MACROFUSION_NOPOSTRA-NEXT: movl $1, %eax
; MACROFUSION_NOPOSTRA-NEXT: .LBB2_2: # %if.end
; MACROFUSION_NOPOSTRA-NEXT: retq
;
; NOFUSION_POSTRA-LABEL: macrofuse_alu_je:
; NOFUSION_POSTRA: # %bb.0: # %entry
; NOFUSION_POSTRA-NEXT: movl %edi, %eax
; NOFUSION_POSTRA-NEXT: movb $1, (%rsi)
; NOFUSION_POSTRA-NEXT: addl $-512, %eax # imm = 0xFE00
; NOFUSION_POSTRA-NEXT: je .LBB2_2
; NOFUSION_POSTRA-NEXT: # %bb.1: # %if.then
; NOFUSION_POSTRA-NEXT: movl $1, %eax
; NOFUSION_POSTRA-NEXT: .LBB2_2: # %if.end
; NOFUSION_POSTRA-NEXT: retq
;
; BRANCHFUSION_POSTRA-LABEL: macrofuse_alu_je:
; BRANCHFUSION_POSTRA: # %bb.0: # %entry
; BRANCHFUSION_POSTRA-NEXT: movl %edi, %eax
; BRANCHFUSION_POSTRA-NEXT: movb $1, (%rsi)
; BRANCHFUSION_POSTRA-NEXT: addl $-512, %eax # imm = 0xFE00
; BRANCHFUSION_POSTRA-NEXT: je .LBB2_2
; BRANCHFUSION_POSTRA-NEXT: # %bb.1: # %if.then
; BRANCHFUSION_POSTRA-NEXT: movl $1, %eax
; BRANCHFUSION_POSTRA-NEXT: .LBB2_2: # %if.end
; BRANCHFUSION_POSTRA-NEXT: retq
;
; NOFUSION_MISCHEDPOSTRA-LABEL: macrofuse_alu_je:
; NOFUSION_MISCHEDPOSTRA: # %bb.0: # %entry
; NOFUSION_MISCHEDPOSTRA-NEXT: movl %edi, %eax
; NOFUSION_MISCHEDPOSTRA-NEXT: movb $1, (%rsi)
; NOFUSION_MISCHEDPOSTRA-NEXT: addl $-512, %eax # imm = 0xFE00
; NOFUSION_MISCHEDPOSTRA-NEXT: je .LBB2_2
; NOFUSION_MISCHEDPOSTRA-NEXT: # %bb.1: # %if.then
; NOFUSION_MISCHEDPOSTRA-NEXT: movl $1, %eax
; NOFUSION_MISCHEDPOSTRA-NEXT: .LBB2_2: # %if.end
; NOFUSION_MISCHEDPOSTRA-NEXT: retq
;
; BRANCHFUSION_MISCHEDPOSTRA-LABEL: macrofuse_alu_je:
; BRANCHFUSION_MISCHEDPOSTRA: # %bb.0: # %entry
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: movl %edi, %eax
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: movb $1, (%rsi)
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: addl $-512, %eax # imm = 0xFE00
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: je .LBB2_2
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: # %bb.1: # %if.then
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: movl $1, %eax
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: .LBB2_2: # %if.end
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: retq
entry:
%sub = sub i32 %flags, 512
%tobool = icmp eq i32 %sub, 0
store i8 1, i8* %p
br i1 %tobool, label %if.end, label %if.then
if.then:
br label %if.end
if.end:
%hasflag = phi i32 [ 1, %if.then ], [ %sub, %entry ]
ret i32 %hasflag
}
define i32 @macrofuse_dec_je(i32 %flags, i8* %p) nounwind {
; NOFUSION_NOPOSTRA-LABEL: macrofuse_dec_je:
; NOFUSION_NOPOSTRA: # %bb.0: # %entry
; NOFUSION_NOPOSTRA-NEXT: movl %edi, %eax
; NOFUSION_NOPOSTRA-NEXT: decl %eax
; NOFUSION_NOPOSTRA-NEXT: movb $1, (%rsi)
; NOFUSION_NOPOSTRA-NEXT: je .LBB3_2
; NOFUSION_NOPOSTRA-NEXT: # %bb.1: # %if.then
; NOFUSION_NOPOSTRA-NEXT: movl $1, %eax
; NOFUSION_NOPOSTRA-NEXT: .LBB3_2: # %if.end
; NOFUSION_NOPOSTRA-NEXT: retq
;
; BRANCHFUSIONONLY_NOPOSTRA-LABEL: macrofuse_dec_je:
; BRANCHFUSIONONLY_NOPOSTRA: # %bb.0: # %entry
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: movl %edi, %eax
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: decl %eax
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: movb $1, (%rsi)
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: je .LBB3_2
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: # %bb.1: # %if.then
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: movl $1, %eax
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: .LBB3_2: # %if.end
; BRANCHFUSIONONLY_NOPOSTRA-NEXT: retq
;
; MACROFUSION_NOPOSTRA-LABEL: macrofuse_dec_je:
; MACROFUSION_NOPOSTRA: # %bb.0: # %entry
; MACROFUSION_NOPOSTRA-NEXT: movl %edi, %eax
; MACROFUSION_NOPOSTRA-NEXT: movb $1, (%rsi)
; MACROFUSION_NOPOSTRA-NEXT: decl %eax
; MACROFUSION_NOPOSTRA-NEXT: je .LBB3_2
; MACROFUSION_NOPOSTRA-NEXT: # %bb.1: # %if.then
; MACROFUSION_NOPOSTRA-NEXT: movl $1, %eax
; MACROFUSION_NOPOSTRA-NEXT: .LBB3_2: # %if.end
; MACROFUSION_NOPOSTRA-NEXT: retq
;
; NOFUSION_POSTRA-LABEL: macrofuse_dec_je:
; NOFUSION_POSTRA: # %bb.0: # %entry
; NOFUSION_POSTRA-NEXT: movl %edi, %eax
; NOFUSION_POSTRA-NEXT: movb $1, (%rsi)
; NOFUSION_POSTRA-NEXT: decl %eax
; NOFUSION_POSTRA-NEXT: je .LBB3_2
; NOFUSION_POSTRA-NEXT: # %bb.1: # %if.then
; NOFUSION_POSTRA-NEXT: movl $1, %eax
; NOFUSION_POSTRA-NEXT: .LBB3_2: # %if.end
; NOFUSION_POSTRA-NEXT: retq
;
; BRANCHFUSION_POSTRA-LABEL: macrofuse_dec_je:
; BRANCHFUSION_POSTRA: # %bb.0: # %entry
; BRANCHFUSION_POSTRA-NEXT: movl %edi, %eax
; BRANCHFUSION_POSTRA-NEXT: movb $1, (%rsi)
; BRANCHFUSION_POSTRA-NEXT: decl %eax
; BRANCHFUSION_POSTRA-NEXT: je .LBB3_2
; BRANCHFUSION_POSTRA-NEXT: # %bb.1: # %if.then
; BRANCHFUSION_POSTRA-NEXT: movl $1, %eax
; BRANCHFUSION_POSTRA-NEXT: .LBB3_2: # %if.end
; BRANCHFUSION_POSTRA-NEXT: retq
;
; NOFUSION_MISCHEDPOSTRA-LABEL: macrofuse_dec_je:
; NOFUSION_MISCHEDPOSTRA: # %bb.0: # %entry
; NOFUSION_MISCHEDPOSTRA-NEXT: movl %edi, %eax
; NOFUSION_MISCHEDPOSTRA-NEXT: movb $1, (%rsi)
; NOFUSION_MISCHEDPOSTRA-NEXT: decl %eax
; NOFUSION_MISCHEDPOSTRA-NEXT: je .LBB3_2
; NOFUSION_MISCHEDPOSTRA-NEXT: # %bb.1: # %if.then
; NOFUSION_MISCHEDPOSTRA-NEXT: movl $1, %eax
; NOFUSION_MISCHEDPOSTRA-NEXT: .LBB3_2: # %if.end
; NOFUSION_MISCHEDPOSTRA-NEXT: retq
;
; BRANCHFUSION_MISCHEDPOSTRA-LABEL: macrofuse_dec_je:
; BRANCHFUSION_MISCHEDPOSTRA: # %bb.0: # %entry
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: movl %edi, %eax
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: movb $1, (%rsi)
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: decl %eax
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: je .LBB3_2
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: # %bb.1: # %if.then
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: movl $1, %eax
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: .LBB3_2: # %if.end
; BRANCHFUSION_MISCHEDPOSTRA-NEXT: retq
entry:
%sub = sub i32 %flags, 1
%tobool = icmp eq i32 %sub, 0
store i8 1, i8* %p
br i1 %tobool, label %if.end, label %if.then
if.then:
br label %if.end
if.end:
%hasflag = phi i32 [ 1, %if.then ], [ %sub, %entry ]
ret i32 %hasflag
}
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