| ; 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-prefix=NOFUSION_NOPOSTRA |
| ; RUN: llc < %s -mtriple=x86_64-- -mattr=-macrofusion,+branchfusion -post-RA-scheduler=0 | FileCheck %s --check-prefixes=BRANCHFUSION_NOPOSTRA,BRANCHFUSIONONLY_NOPOSTRA |
| ; RUN: llc < %s -mtriple=x86_64-- -mattr=+macrofusion,-branchfusion -post-RA-scheduler=0 | FileCheck %s --check-prefixes=BRANCHFUSION_NOPOSTRA,MACROFUSION_NOPOSTRA |
| ; RUN: llc < %s -mtriple=x86_64-- -mattr=-macrofusion,-branchfusion -post-RA-scheduler=1 | FileCheck %s --check-prefix=NOFUSION_POSTRA |
| ; RUN: llc < %s -mtriple=x86_64-- -mattr=-macrofusion,+branchfusion -post-RA-scheduler=1 | FileCheck %s --check-prefix=BRANCHFUSION_POSTRA |
| ; RUN: llc < %s -mtriple=x86_64-- -mattr=+macrofusion,-branchfusion -post-RA-scheduler=1 | FileCheck %s --check-prefix=BRANCHFUSION_POSTRA |
| ; RUN: llc < %s -mtriple=x86_64-- -mattr=-macrofusion,-branchfusion -enable-misched=0 -misched-postra=1 -enable-post-misched | FileCheck %s --check-prefix=NOFUSION_MISCHEDPOSTRA |
| ; RUN: llc < %s -mtriple=x86_64-- -mattr=-macrofusion,+branchfusion -enable-misched=0 -misched-postra=1 -enable-post-misched | FileCheck %s --check-prefix=BRANCHFUSION_MISCHEDPOSTRA |
| ; RUN: llc < %s -mtriple=x86_64-- -mattr=+macrofusion,-branchfusion -enable-misched=0 -misched-postra=1 -enable-post-misched | FileCheck %s --check-prefix=BRANCHFUSION_MISCHEDPOSTRA |
| |
| |
| |
| ; testb should be scheduled right before je to enable macro-fusion. |
| |
| define i32 @macrofuse_test_je(i32 %flags, i8* %p) nounwind { |
| ; NOFUSION_NOPOSTRA-LABEL: macrofuse_test_je: |
| ; NOFUSION_NOPOSTRA: # %bb.0: # %entry |
| ; NOFUSION_NOPOSTRA-NEXT: xorl %eax, %eax |
| ; NOFUSION_NOPOSTRA-NEXT: testl $512, %edi # imm = 0x200 |
| ; NOFUSION_NOPOSTRA-NEXT: movb $1, (%rsi) |
| ; NOFUSION_NOPOSTRA-NEXT: je .LBB0_2 |
| ; NOFUSION_NOPOSTRA-NEXT: # %bb.1: # %if.then |
| ; NOFUSION_NOPOSTRA-NEXT: movl $1, %eax |
| ; NOFUSION_NOPOSTRA-NEXT: .LBB0_2: # %if.end |
| ; NOFUSION_NOPOSTRA-NEXT: retq |
| ; |
| ; BRANCHFUSION_NOPOSTRA-LABEL: macrofuse_test_je: |
| ; BRANCHFUSION_NOPOSTRA: # %bb.0: # %entry |
| ; BRANCHFUSION_NOPOSTRA-NEXT: xorl %eax, %eax |
| ; BRANCHFUSION_NOPOSTRA-NEXT: movb $1, (%rsi) |
| ; BRANCHFUSION_NOPOSTRA-NEXT: testl $512, %edi # imm = 0x200 |
| ; BRANCHFUSION_NOPOSTRA-NEXT: je .LBB0_2 |
| ; BRANCHFUSION_NOPOSTRA-NEXT: # %bb.1: # %if.then |
| ; BRANCHFUSION_NOPOSTRA-NEXT: movl $1, %eax |
| ; BRANCHFUSION_NOPOSTRA-NEXT: .LBB0_2: # %if.end |
| ; BRANCHFUSION_NOPOSTRA-NEXT: retq |
| ; |
| ; NOFUSION_POSTRA-LABEL: macrofuse_test_je: |
| ; NOFUSION_POSTRA: # %bb.0: # %entry |
| ; NOFUSION_POSTRA-NEXT: xorl %eax, %eax |
| ; NOFUSION_POSTRA-NEXT: testl $512, %edi # imm = 0x200 |
| ; NOFUSION_POSTRA-NEXT: movb $1, (%rsi) |
| ; NOFUSION_POSTRA-NEXT: je .LBB0_2 |
| ; NOFUSION_POSTRA-NEXT: # %bb.1: # %if.then |
| ; NOFUSION_POSTRA-NEXT: movl $1, %eax |
| ; NOFUSION_POSTRA-NEXT: .LBB0_2: # %if.end |
| ; NOFUSION_POSTRA-NEXT: retq |
| ; |
| ; BRANCHFUSION_POSTRA-LABEL: macrofuse_test_je: |
| ; BRANCHFUSION_POSTRA: # %bb.0: # %entry |
| ; BRANCHFUSION_POSTRA-NEXT: xorl %eax, %eax |
| ; BRANCHFUSION_POSTRA-NEXT: movb $1, (%rsi) |
| ; BRANCHFUSION_POSTRA-NEXT: testl $512, %edi # imm = 0x200 |
| ; BRANCHFUSION_POSTRA-NEXT: je .LBB0_2 |
| ; BRANCHFUSION_POSTRA-NEXT: # %bb.1: # %if.then |
| ; BRANCHFUSION_POSTRA-NEXT: movl $1, %eax |
| ; BRANCHFUSION_POSTRA-NEXT: .LBB0_2: # %if.end |
| ; BRANCHFUSION_POSTRA-NEXT: retq |
| ; |
| ; NOFUSION_MISCHEDPOSTRA-LABEL: macrofuse_test_je: |
| ; NOFUSION_MISCHEDPOSTRA: # %bb.0: # %entry |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: xorl %eax, %eax |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: testl $512, %edi # imm = 0x200 |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: movb $1, (%rsi) |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: je .LBB0_2 |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: # %bb.1: # %if.then |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: movl $1, %eax |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: .LBB0_2: # %if.end |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: retq |
| ; |
| ; BRANCHFUSION_MISCHEDPOSTRA-LABEL: macrofuse_test_je: |
| ; BRANCHFUSION_MISCHEDPOSTRA: # %bb.0: # %entry |
| ; BRANCHFUSION_MISCHEDPOSTRA-NEXT: xorl %eax, %eax |
| ; BRANCHFUSION_MISCHEDPOSTRA-NEXT: movb $1, (%rsi) |
| ; BRANCHFUSION_MISCHEDPOSTRA-NEXT: testl $512, %edi # imm = 0x200 |
| ; BRANCHFUSION_MISCHEDPOSTRA-NEXT: je .LBB0_2 |
| ; BRANCHFUSION_MISCHEDPOSTRA-NEXT: # %bb.1: # %if.then |
| ; BRANCHFUSION_MISCHEDPOSTRA-NEXT: movl $1, %eax |
| ; BRANCHFUSION_MISCHEDPOSTRA-NEXT: .LBB0_2: # %if.end |
| ; BRANCHFUSION_MISCHEDPOSTRA-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_NOPOSTRA-LABEL: macrofuse_cmp_je: |
| ; NOFUSION_NOPOSTRA: # %bb.0: # %entry |
| ; NOFUSION_NOPOSTRA-NEXT: cmpl $512, %edi # imm = 0x200 |
| ; NOFUSION_NOPOSTRA-NEXT: movb $1, (%rsi) |
| ; NOFUSION_NOPOSTRA-NEXT: je .LBB1_1 |
| ; NOFUSION_NOPOSTRA-NEXT: # %bb.2: # %if.then |
| ; NOFUSION_NOPOSTRA-NEXT: movl $1, %eax |
| ; NOFUSION_NOPOSTRA-NEXT: retq |
| ; NOFUSION_NOPOSTRA-NEXT: .LBB1_1: |
| ; NOFUSION_NOPOSTRA-NEXT: xorl %eax, %eax |
| ; NOFUSION_NOPOSTRA-NEXT: retq |
| ; |
| ; BRANCHFUSION_NOPOSTRA-LABEL: macrofuse_cmp_je: |
| ; BRANCHFUSION_NOPOSTRA: # %bb.0: # %entry |
| ; BRANCHFUSION_NOPOSTRA-NEXT: movb $1, (%rsi) |
| ; BRANCHFUSION_NOPOSTRA-NEXT: cmpl $512, %edi # imm = 0x200 |
| ; BRANCHFUSION_NOPOSTRA-NEXT: je .LBB1_1 |
| ; BRANCHFUSION_NOPOSTRA-NEXT: # %bb.2: # %if.then |
| ; BRANCHFUSION_NOPOSTRA-NEXT: movl $1, %eax |
| ; BRANCHFUSION_NOPOSTRA-NEXT: retq |
| ; BRANCHFUSION_NOPOSTRA-NEXT: .LBB1_1: |
| ; BRANCHFUSION_NOPOSTRA-NEXT: xorl %eax, %eax |
| ; BRANCHFUSION_NOPOSTRA-NEXT: retq |
| ; |
| ; NOFUSION_POSTRA-LABEL: macrofuse_cmp_je: |
| ; NOFUSION_POSTRA: # %bb.0: # %entry |
| ; NOFUSION_POSTRA-NEXT: cmpl $512, %edi # imm = 0x200 |
| ; NOFUSION_POSTRA-NEXT: movb $1, (%rsi) |
| ; NOFUSION_POSTRA-NEXT: je .LBB1_1 |
| ; NOFUSION_POSTRA-NEXT: # %bb.2: # %if.then |
| ; NOFUSION_POSTRA-NEXT: movl $1, %eax |
| ; NOFUSION_POSTRA-NEXT: retq |
| ; NOFUSION_POSTRA-NEXT: .LBB1_1: |
| ; NOFUSION_POSTRA-NEXT: xorl %eax, %eax |
| ; NOFUSION_POSTRA-NEXT: retq |
| ; |
| ; BRANCHFUSION_POSTRA-LABEL: macrofuse_cmp_je: |
| ; BRANCHFUSION_POSTRA: # %bb.0: # %entry |
| ; BRANCHFUSION_POSTRA-NEXT: movb $1, (%rsi) |
| ; BRANCHFUSION_POSTRA-NEXT: cmpl $512, %edi # imm = 0x200 |
| ; BRANCHFUSION_POSTRA-NEXT: je .LBB1_1 |
| ; BRANCHFUSION_POSTRA-NEXT: # %bb.2: # %if.then |
| ; BRANCHFUSION_POSTRA-NEXT: movl $1, %eax |
| ; BRANCHFUSION_POSTRA-NEXT: retq |
| ; BRANCHFUSION_POSTRA-NEXT: .LBB1_1: |
| ; BRANCHFUSION_POSTRA-NEXT: xorl %eax, %eax |
| ; BRANCHFUSION_POSTRA-NEXT: retq |
| ; |
| ; NOFUSION_MISCHEDPOSTRA-LABEL: macrofuse_cmp_je: |
| ; NOFUSION_MISCHEDPOSTRA: # %bb.0: # %entry |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: cmpl $512, %edi # imm = 0x200 |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: movb $1, (%rsi) |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: je .LBB1_1 |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: # %bb.2: # %if.then |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: movl $1, %eax |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: retq |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: .LBB1_1: |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: xorl %eax, %eax |
| ; NOFUSION_MISCHEDPOSTRA-NEXT: retq |
| ; |
| ; BRANCHFUSION_MISCHEDPOSTRA-LABEL: macrofuse_cmp_je: |
| ; BRANCHFUSION_MISCHEDPOSTRA: # %bb.0: # %entry |
| ; BRANCHFUSION_MISCHEDPOSTRA-NEXT: movb $1, (%rsi) |
| ; BRANCHFUSION_MISCHEDPOSTRA-NEXT: cmpl $512, %edi # imm = 0x200 |
| ; BRANCHFUSION_MISCHEDPOSTRA-NEXT: je .LBB1_1 |
| ; BRANCHFUSION_MISCHEDPOSTRA-NEXT: # %bb.2: # %if.then |
| ; BRANCHFUSION_MISCHEDPOSTRA-NEXT: movl $1, %eax |
| ; BRANCHFUSION_MISCHEDPOSTRA-NEXT: retq |
| ; BRANCHFUSION_MISCHEDPOSTRA-NEXT: .LBB1_1: |
| ; BRANCHFUSION_MISCHEDPOSTRA-NEXT: xorl %eax, %eax |
| ; 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 ], [ 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 |
| } |
