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authorDimitry Andric <dim@FreeBSD.org>2017-06-03 15:20:36 +0000
committerDimitry Andric <dim@FreeBSD.org>2017-06-03 15:20:36 +0000
commitd288ef4c1788d3a951a7558c68312c2d320612b1 (patch)
treeece909a5200f95f85f0813599a9500620f4d9217 /test/CodeGen/X86/shrink-compare.ll
parentf382538d471e38a9b98f016c4caebd24c8d60b62 (diff)
downloadsrc-d288ef4c1788d3a951a7558c68312c2d320612b1.tar.gz
src-d288ef4c1788d3a951a7558c68312c2d320612b1.zip
Vendor import of llvm trunk r304659:vendor/llvm/llvm-trunk-r304659
Notes
Notes: svn path=/vendor/llvm/dist/; revision=319523 svn path=/vendor/llvm/llvm-trunk-r304659/; revision=319524; tag=vendor/llvm/llvm-trunk-r304659
Diffstat (limited to 'test/CodeGen/X86/shrink-compare.ll')
-rw-r--r--test/CodeGen/X86/shrink-compare.ll129
1 files changed, 97 insertions, 32 deletions
diff --git a/test/CodeGen/X86/shrink-compare.ll b/test/CodeGen/X86/shrink-compare.ll
index 41f5d2d5be23..7f35258377ec 100644
--- a/test/CodeGen/X86/shrink-compare.ll
+++ b/test/CodeGen/X86/shrink-compare.ll
@@ -1,8 +1,15 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
declare void @bar()
define void @test1(i32* nocapture %X) nounwind minsize {
+; CHECK-LABEL: test1:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: cmpb $47, (%rdi)
+; CHECK-NEXT: je bar # TAILCALL
+; CHECK-NEXT: # BB#1: # %if.end
+; CHECK-NEXT: retq
entry:
%tmp1 = load i32, i32* %X, align 4
%and = and i32 %tmp1, 255
@@ -15,11 +22,15 @@ if.then:
if.end:
ret void
-; CHECK-LABEL: test1:
-; CHECK: cmpb $47, (%{{rdi|rcx}})
}
define void @test2(i32 %X) nounwind minsize {
+; CHECK-LABEL: test2:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: cmpb $47, %dil
+; CHECK-NEXT: je bar # TAILCALL
+; CHECK-NEXT: # BB#1: # %if.end
+; CHECK-NEXT: retq
entry:
%and = and i32 %X, 255
%cmp = icmp eq i32 %and, 47
@@ -31,11 +42,15 @@ if.then:
if.end:
ret void
-; CHECK-LABEL: test2:
-; CHECK: cmpb $47, %{{dil|cl}}
}
define void @test3(i32 %X) nounwind minsize {
+; CHECK-LABEL: test3:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: cmpb $-1, %dil
+; CHECK-NEXT: je bar # TAILCALL
+; CHECK-NEXT: # BB#1: # %if.end
+; CHECK-NEXT: retq
entry:
%and = and i32 %X, 255
%cmp = icmp eq i32 %and, 255
@@ -47,12 +62,22 @@ if.then:
if.end:
ret void
-; CHECK-LABEL: test3:
-; CHECK: cmpb $-1, %{{dil|cl}}
}
; PR16083
define i1 @test4(i64 %a, i32 %b) {
+; CHECK-LABEL: test4:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: movb $1, %al
+; CHECK-NEXT: testl %esi, %esi
+; CHECK-NEXT: je .LBB3_1
+; CHECK-NEXT: # BB#2: # %lor.end
+; CHECK-NEXT: # kill: %AL<def> %AL<kill> %EAX<kill>
+; CHECK-NEXT: retq
+; CHECK-NEXT: .LBB3_1: # %lor.rhs
+; CHECK-NEXT: xorl %eax, %eax
+; CHECK-NEXT: # kill: %AL<def> %AL<kill> %EAX<kill>
+; CHECK-NEXT: retq
entry:
%tobool = icmp ne i32 %b, 0
br i1 %tobool, label %lor.end, label %lor.rhs
@@ -71,6 +96,16 @@ lor.end: ; preds = %lor.rhs, %entry
; PR16551
define void @test5(i32 %X) nounwind minsize {
+; CHECK-LABEL: test5:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: movzbl x+{{.*}}(%rip), %eax
+; CHECK-NEXT: shll $16, %eax
+; CHECK-NEXT: movzwl x+{{.*}}(%rip), %ecx
+; CHECK-NEXT: orl %eax, %ecx
+; CHECK-NEXT: cmpl $1, %ecx
+; CHECK-NEXT: jne bar # TAILCALL
+; CHECK-NEXT: # BB#1: # %if.end
+; CHECK-NEXT: retq
entry:
%bf.load = load i56, i56* bitcast ({ i8, i8, i8, i8, i8, i8, i8, i8 }* @x to i56*), align 4
%bf.lshr = lshr i56 %bf.load, 32
@@ -84,17 +119,16 @@ if.then:
if.end:
ret void
-
-; CHECK-LABEL: test5:
-; CHECK-NOT: cmpl $1,{{.*}}x+4
-; CHECK: ret
}
-; CHECK-LABEL: test2_1:
-; CHECK: movzbl
-; CHECK: cmpl $256
-; CHECK: je bar
define void @test2_1(i32 %X) nounwind minsize {
+; CHECK-LABEL: test2_1:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: movzbl %dil, %eax
+; CHECK-NEXT: cmpl $256, %eax # imm = 0x100
+; CHECK-NEXT: je bar # TAILCALL
+; CHECK-NEXT: # BB#1: # %if.end
+; CHECK-NEXT: retq
entry:
%and = and i32 %X, 255
%cmp = icmp eq i32 %and, 256
@@ -108,9 +142,13 @@ if.end:
ret void
}
-; CHECK-LABEL: test_sext_i8_icmp_1:
-; CHECK: cmpb $1, %{{dil|cl}}
define void @test_sext_i8_icmp_1(i8 %x) nounwind minsize {
+; CHECK-LABEL: test_sext_i8_icmp_1:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: cmpb $1, %dil
+; CHECK-NEXT: je bar # TAILCALL
+; CHECK-NEXT: # BB#1: # %if.end
+; CHECK-NEXT: retq
entry:
%sext = sext i8 %x to i32
%cmp = icmp eq i32 %sext, 1
@@ -124,9 +162,13 @@ if.end:
ret void
}
-; CHECK-LABEL: test_sext_i8_icmp_47:
-; CHECK: cmpb $47, %{{dil|cl}}
define void @test_sext_i8_icmp_47(i8 %x) nounwind minsize {
+; CHECK-LABEL: test_sext_i8_icmp_47:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: cmpb $47, %dil
+; CHECK-NEXT: je bar # TAILCALL
+; CHECK-NEXT: # BB#1: # %if.end
+; CHECK-NEXT: retq
entry:
%sext = sext i8 %x to i32
%cmp = icmp eq i32 %sext, 47
@@ -140,9 +182,13 @@ if.end:
ret void
}
-; CHECK-LABEL: test_sext_i8_icmp_127:
-; CHECK: cmpb $127, %{{dil|cl}}
define void @test_sext_i8_icmp_127(i8 %x) nounwind minsize {
+; CHECK-LABEL: test_sext_i8_icmp_127:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: cmpb $127, %dil
+; CHECK-NEXT: je bar # TAILCALL
+; CHECK-NEXT: # BB#1: # %if.end
+; CHECK-NEXT: retq
entry:
%sext = sext i8 %x to i32
%cmp = icmp eq i32 %sext, 127
@@ -156,9 +202,13 @@ if.end:
ret void
}
-; CHECK-LABEL: test_sext_i8_icmp_neg1:
-; CHECK: cmpb $-1, %{{dil|cl}}
define void @test_sext_i8_icmp_neg1(i8 %x) nounwind minsize {
+; CHECK-LABEL: test_sext_i8_icmp_neg1:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: cmpb $-1, %dil
+; CHECK-NEXT: je bar # TAILCALL
+; CHECK-NEXT: # BB#1: # %if.end
+; CHECK-NEXT: retq
entry:
%sext = sext i8 %x to i32
%cmp = icmp eq i32 %sext, -1
@@ -172,9 +222,13 @@ if.end:
ret void
}
-; CHECK-LABEL: test_sext_i8_icmp_neg2:
-; CHECK: cmpb $-2, %{{dil|cl}}
define void @test_sext_i8_icmp_neg2(i8 %x) nounwind minsize {
+; CHECK-LABEL: test_sext_i8_icmp_neg2:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: cmpb $-2, %dil
+; CHECK-NEXT: je bar # TAILCALL
+; CHECK-NEXT: # BB#1: # %if.end
+; CHECK-NEXT: retq
entry:
%sext = sext i8 %x to i32
%cmp = icmp eq i32 %sext, -2
@@ -188,9 +242,13 @@ if.end:
ret void
}
-; CHECK-LABEL: test_sext_i8_icmp_neg127:
-; CHECK: cmpb $-127, %{{dil|cl}}
define void @test_sext_i8_icmp_neg127(i8 %x) nounwind minsize {
+; CHECK-LABEL: test_sext_i8_icmp_neg127:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: cmpb $-127, %dil
+; CHECK-NEXT: je bar # TAILCALL
+; CHECK-NEXT: # BB#1: # %if.end
+; CHECK-NEXT: retq
entry:
%sext = sext i8 %x to i32
%cmp = icmp eq i32 %sext, -127
@@ -204,9 +262,13 @@ if.end:
ret void
}
-; CHECK-LABEL: test_sext_i8_icmp_neg128:
-; CHECK: cmpb $-128, %{{dil|cl}}
define void @test_sext_i8_icmp_neg128(i8 %x) nounwind minsize {
+; CHECK-LABEL: test_sext_i8_icmp_neg128:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: cmpb $-128, %dil
+; CHECK-NEXT: je bar # TAILCALL
+; CHECK-NEXT: # BB#1: # %if.end
+; CHECK-NEXT: retq
entry:
%sext = sext i8 %x to i32
%cmp = icmp eq i32 %sext, -128
@@ -220,11 +282,14 @@ if.end:
ret void
}
-; CHECK-LABEL: test_sext_i8_icmp_255:
-; CHECK: movb $1,
-; CHECK: testb
-; CHECK: je bar
define void @test_sext_i8_icmp_255(i8 %x) nounwind minsize {
+; CHECK-LABEL: test_sext_i8_icmp_255:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: movb $1, %al
+; CHECK-NEXT: testb %al, %al
+; CHECK-NEXT: je bar # TAILCALL
+; CHECK-NEXT: # BB#1: # %if.end
+; CHECK-NEXT: retq
entry:
%sext = sext i8 %x to i32
%cmp = icmp eq i32 %sext, 255