forked from OSchip/llvm-project
152 lines
4.5 KiB
LLVM
152 lines
4.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-- -mattr=-macrofusion | FileCheck %s --check-prefix=NOFUSION
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; RUN: llc < %s -mtriple=x86_64-- -mattr=+macrofusion | FileCheck %s --check-prefix=MACROFUSION
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; testb should be scheduled right before je to enable macro-fusion.
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define i32 @macrofuse_test_je(i32 %flags, i8* %p) nounwind {
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; NOFUSION-LABEL: macrofuse_test_je:
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; NOFUSION: # %bb.0: # %entry
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; NOFUSION-NEXT: xorl %eax, %eax
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; NOFUSION-NEXT: testl $512, %edi # imm = 0x200
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; NOFUSION-NEXT: movb $1, (%rsi)
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; NOFUSION-NEXT: je .LBB0_2
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; NOFUSION-NEXT: # %bb.1: # %if.then
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; NOFUSION-NEXT: movl $1, %eax
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; NOFUSION-NEXT: .LBB0_2: # %if.end
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; NOFUSION-NEXT: retq
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;
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; MACROFUSION-LABEL: macrofuse_test_je:
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; MACROFUSION: # %bb.0: # %entry
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; MACROFUSION-NEXT: xorl %eax, %eax
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; MACROFUSION-NEXT: movb $1, (%rsi)
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; MACROFUSION-NEXT: testl $512, %edi # imm = 0x200
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; MACROFUSION-NEXT: je .LBB0_2
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; MACROFUSION-NEXT: # %bb.1: # %if.then
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; MACROFUSION-NEXT: movl $1, %eax
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; MACROFUSION-NEXT: .LBB0_2: # %if.end
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; MACROFUSION-NEXT: retq
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entry:
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%and = and i32 %flags, 512
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%tobool = icmp eq i32 %and, 0
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store i8 1, i8* %p
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br i1 %tobool, label %if.end, label %if.then
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if.then:
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br label %if.end
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if.end:
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%hasflag = phi i32 [ 1, %if.then ], [ 0, %entry ]
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ret i32 %hasflag
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}
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define i32 @macrofuse_cmp_je(i32 %flags, i8* %p) nounwind {
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; NOFUSION-LABEL: macrofuse_cmp_je:
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; NOFUSION: # %bb.0: # %entry
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; NOFUSION-NEXT: cmpl $512, %edi # imm = 0x200
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; NOFUSION-NEXT: movb $1, (%rsi)
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; NOFUSION-NEXT: je .LBB1_1
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; NOFUSION-NEXT: # %bb.2: # %if.then
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; NOFUSION-NEXT: movl $1, %eax
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; NOFUSION-NEXT: retq
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; NOFUSION-NEXT: .LBB1_1:
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; NOFUSION-NEXT: xorl %eax, %eax
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; NOFUSION-NEXT: retq
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;
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; MACROFUSION-LABEL: macrofuse_cmp_je:
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; MACROFUSION: # %bb.0: # %entry
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; MACROFUSION-NEXT: movb $1, (%rsi)
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; MACROFUSION-NEXT: cmpl $512, %edi # imm = 0x200
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; MACROFUSION-NEXT: je .LBB1_1
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; MACROFUSION-NEXT: # %bb.2: # %if.then
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; MACROFUSION-NEXT: movl $1, %eax
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; MACROFUSION-NEXT: retq
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; MACROFUSION-NEXT: .LBB1_1:
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; MACROFUSION-NEXT: xorl %eax, %eax
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; MACROFUSION-NEXT: retq
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entry:
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%sub = sub i32 %flags, 512
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%tobool = icmp eq i32 %sub, 0
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store i8 1, i8* %p
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br i1 %tobool, label %if.end, label %if.then
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if.then:
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br label %if.end
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if.end:
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%hasflag = phi i32 [ 1, %if.then ], [ 0, %entry ]
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ret i32 %hasflag
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}
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define i32 @macrofuse_alu_je(i32 %flags, i8* %p) nounwind {
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; NOFUSION-LABEL: macrofuse_alu_je:
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; NOFUSION: # %bb.0: # %entry
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; NOFUSION-NEXT: movl %edi, %eax
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; NOFUSION-NEXT: addl $-512, %eax # imm = 0xFE00
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; NOFUSION-NEXT: movb $1, (%rsi)
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; NOFUSION-NEXT: je .LBB2_2
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; NOFUSION-NEXT: # %bb.1: # %if.then
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; NOFUSION-NEXT: movl $1, %eax
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; NOFUSION-NEXT: .LBB2_2: # %if.end
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; NOFUSION-NEXT: retq
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;
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; MACROFUSION-LABEL: macrofuse_alu_je:
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; MACROFUSION: # %bb.0: # %entry
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; MACROFUSION-NEXT: movl %edi, %eax
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; MACROFUSION-NEXT: movb $1, (%rsi)
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; MACROFUSION-NEXT: addl $-512, %eax # imm = 0xFE00
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; MACROFUSION-NEXT: je .LBB2_2
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; MACROFUSION-NEXT: # %bb.1: # %if.then
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; MACROFUSION-NEXT: movl $1, %eax
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; MACROFUSION-NEXT: .LBB2_2: # %if.end
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; MACROFUSION-NEXT: retq
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entry:
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%sub = sub i32 %flags, 512
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%tobool = icmp eq i32 %sub, 0
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store i8 1, i8* %p
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br i1 %tobool, label %if.end, label %if.then
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if.then:
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br label %if.end
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if.end:
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%hasflag = phi i32 [ 1, %if.then ], [ %sub, %entry ]
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ret i32 %hasflag
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}
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define i32 @macrofuse_dec_je(i32 %flags, i8* %p) nounwind {
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; NOFUSION-LABEL: macrofuse_dec_je:
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; NOFUSION: # %bb.0: # %entry
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; NOFUSION-NEXT: movl %edi, %eax
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; NOFUSION-NEXT: decl %eax
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; NOFUSION-NEXT: movb $1, (%rsi)
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; NOFUSION-NEXT: je .LBB3_2
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; NOFUSION-NEXT: # %bb.1: # %if.then
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; NOFUSION-NEXT: movl $1, %eax
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; NOFUSION-NEXT: .LBB3_2: # %if.end
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; NOFUSION-NEXT: retq
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;
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; MACROFUSION-LABEL: macrofuse_dec_je:
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; MACROFUSION: # %bb.0: # %entry
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; MACROFUSION-NEXT: movl %edi, %eax
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; MACROFUSION-NEXT: movb $1, (%rsi)
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; MACROFUSION-NEXT: decl %eax
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; MACROFUSION-NEXT: je .LBB3_2
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; MACROFUSION-NEXT: # %bb.1: # %if.then
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; MACROFUSION-NEXT: movl $1, %eax
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; MACROFUSION-NEXT: .LBB3_2: # %if.end
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; MACROFUSION-NEXT: retq
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entry:
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%sub = sub i32 %flags, 1
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%tobool = icmp eq i32 %sub, 0
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store i8 1, i8* %p
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br i1 %tobool, label %if.end, label %if.then
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if.then:
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br label %if.end
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if.end:
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%hasflag = phi i32 [ 1, %if.then ], [ %sub, %entry ]
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ret i32 %hasflag
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}
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