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Diffstat (limited to 'test/CodeGen/ARM64/ccmp.ll')
-rw-r--r-- | test/CodeGen/ARM64/ccmp.ll | 289 |
1 files changed, 0 insertions, 289 deletions
diff --git a/test/CodeGen/ARM64/ccmp.ll b/test/CodeGen/ARM64/ccmp.ll deleted file mode 100644 index 79e6f94..0000000 --- a/test/CodeGen/ARM64/ccmp.ll +++ /dev/null @@ -1,289 +0,0 @@ -; RUN: llc < %s -mcpu=cyclone -verify-machineinstrs -arm64-ccmp -arm64-stress-ccmp | FileCheck %s -target triple = "arm64-apple-ios" - -; CHECK: single_same -; CHECK: cmp w0, #5 -; CHECK-NEXT: ccmp w1, #17, #4, ne -; CHECK-NEXT: b.ne -; CHECK: %if.then -; CHECK: bl _foo -; CHECK: %if.end -define i32 @single_same(i32 %a, i32 %b) nounwind ssp { -entry: - %cmp = icmp eq i32 %a, 5 - %cmp1 = icmp eq i32 %b, 17 - %or.cond = or i1 %cmp, %cmp1 - br i1 %or.cond, label %if.then, label %if.end - -if.then: - %call = tail call i32 @foo() nounwind - br label %if.end - -if.end: - ret i32 7 -} - -; Different condition codes for the two compares. -; CHECK: single_different -; CHECK: cmp w0, #6 -; CHECK-NEXT: ccmp w1, #17, #0, ge -; CHECK-NEXT: b.eq -; CHECK: %if.then -; CHECK: bl _foo -; CHECK: %if.end -define i32 @single_different(i32 %a, i32 %b) nounwind ssp { -entry: - %cmp = icmp sle i32 %a, 5 - %cmp1 = icmp ne i32 %b, 17 - %or.cond = or i1 %cmp, %cmp1 - br i1 %or.cond, label %if.then, label %if.end - -if.then: - %call = tail call i32 @foo() nounwind - br label %if.end - -if.end: - ret i32 7 -} - -; Second block clobbers the flags, can't convert (easily). -; CHECK: single_flagclobber -; CHECK: cmp -; CHECK: b.eq -; CHECK: cmp -; CHECK: b.gt -define i32 @single_flagclobber(i32 %a, i32 %b) nounwind ssp { -entry: - %cmp = icmp eq i32 %a, 5 - br i1 %cmp, label %if.then, label %lor.lhs.false - -lor.lhs.false: ; preds = %entry - %cmp1 = icmp slt i32 %b, 7 - %mul = shl nsw i32 %b, 1 - %add = add nsw i32 %b, 1 - %cond = select i1 %cmp1, i32 %mul, i32 %add - %cmp2 = icmp slt i32 %cond, 17 - br i1 %cmp2, label %if.then, label %if.end - -if.then: ; preds = %lor.lhs.false, %entry - %call = tail call i32 @foo() nounwind - br label %if.end - -if.end: ; preds = %if.then, %lor.lhs.false - ret i32 7 -} - -; Second block clobbers the flags and ends with a tbz terminator. -; CHECK: single_flagclobber_tbz -; CHECK: cmp -; CHECK: b.eq -; CHECK: cmp -; CHECK: tbz -define i32 @single_flagclobber_tbz(i32 %a, i32 %b) nounwind ssp { -entry: - %cmp = icmp eq i32 %a, 5 - br i1 %cmp, label %if.then, label %lor.lhs.false - -lor.lhs.false: ; preds = %entry - %cmp1 = icmp slt i32 %b, 7 - %mul = shl nsw i32 %b, 1 - %add = add nsw i32 %b, 1 - %cond = select i1 %cmp1, i32 %mul, i32 %add - %and = and i32 %cond, 8 - %cmp2 = icmp ne i32 %and, 0 - br i1 %cmp2, label %if.then, label %if.end - -if.then: ; preds = %lor.lhs.false, %entry - %call = tail call i32 @foo() nounwind - br label %if.end - -if.end: ; preds = %if.then, %lor.lhs.false - ret i32 7 -} - -; Speculatively execute division by zero. -; The sdiv/udiv instructions do not trap when the divisor is zero, so they are -; safe to speculate. -; CHECK: speculate_division -; CHECK-NOT: cmp -; CHECK: sdiv -; CHECK: cmp -; CHECK-NEXT: ccmp -define i32 @speculate_division(i32 %a, i32 %b) nounwind ssp { -entry: - %cmp = icmp sgt i32 %a, 0 - br i1 %cmp, label %land.lhs.true, label %if.end - -land.lhs.true: - %div = sdiv i32 %b, %a - %cmp1 = icmp slt i32 %div, 17 - br i1 %cmp1, label %if.then, label %if.end - -if.then: - %call = tail call i32 @foo() nounwind - br label %if.end - -if.end: - ret i32 7 -} - -; Floating point compare. -; CHECK: single_fcmp -; CHECK: cmp -; CHECK-NOT: b. -; CHECK: fccmp {{.*}}, #8, ge -; CHECK: b.lt -define i32 @single_fcmp(i32 %a, float %b) nounwind ssp { -entry: - %cmp = icmp sgt i32 %a, 0 - br i1 %cmp, label %land.lhs.true, label %if.end - -land.lhs.true: - %conv = sitofp i32 %a to float - %div = fdiv float %b, %conv - %cmp1 = fcmp oge float %div, 1.700000e+01 - br i1 %cmp1, label %if.then, label %if.end - -if.then: - %call = tail call i32 @foo() nounwind - br label %if.end - -if.end: - ret i32 7 -} - -; Chain multiple compares. -; CHECK: multi_different -; CHECK: cmp -; CHECK: ccmp -; CHECK: ccmp -; CHECK: b. -define void @multi_different(i32 %a, i32 %b, i32 %c) nounwind ssp { -entry: - %cmp = icmp sgt i32 %a, %b - br i1 %cmp, label %land.lhs.true, label %if.end - -land.lhs.true: - %div = sdiv i32 %b, %a - %cmp1 = icmp eq i32 %div, 5 - %cmp4 = icmp sgt i32 %div, %c - %or.cond = and i1 %cmp1, %cmp4 - br i1 %or.cond, label %if.then, label %if.end - -if.then: - %call = tail call i32 @foo() nounwind - br label %if.end - -if.end: - ret void -} - -; Convert a cbz in the head block. -; CHECK: cbz_head -; CHECK: cmp w0, #0 -; CHECK: ccmp -define i32 @cbz_head(i32 %a, i32 %b) nounwind ssp { -entry: - %cmp = icmp eq i32 %a, 0 - %cmp1 = icmp ne i32 %b, 17 - %or.cond = or i1 %cmp, %cmp1 - br i1 %or.cond, label %if.then, label %if.end - -if.then: - %call = tail call i32 @foo() nounwind - br label %if.end - -if.end: - ret i32 7 -} - -; Check that the immediate operand is in range. The ccmp instruction encodes a -; smaller range of immediates than subs/adds. -; The ccmp immediates must be in the range 0-31. -; CHECK: immediate_range -; CHECK-NOT: ccmp -define i32 @immediate_range(i32 %a, i32 %b) nounwind ssp { -entry: - %cmp = icmp eq i32 %a, 5 - %cmp1 = icmp eq i32 %b, 32 - %or.cond = or i1 %cmp, %cmp1 - br i1 %or.cond, label %if.then, label %if.end - -if.then: - %call = tail call i32 @foo() nounwind - br label %if.end - -if.end: - ret i32 7 -} - -; Convert a cbz in the second block. -; CHECK: cbz_second -; CHECK: cmp w0, #0 -; CHECK: ccmp w1, #0, #0, ne -; CHECK: b.eq -define i32 @cbz_second(i32 %a, i32 %b) nounwind ssp { -entry: - %cmp = icmp eq i32 %a, 0 - %cmp1 = icmp ne i32 %b, 0 - %or.cond = or i1 %cmp, %cmp1 - br i1 %or.cond, label %if.then, label %if.end - -if.then: - %call = tail call i32 @foo() nounwind - br label %if.end - -if.end: - ret i32 7 -} - -; Convert a cbnz in the second block. -; CHECK: cbnz_second -; CHECK: cmp w0, #0 -; CHECK: ccmp w1, #0, #4, ne -; CHECK: b.ne -define i32 @cbnz_second(i32 %a, i32 %b) nounwind ssp { -entry: - %cmp = icmp eq i32 %a, 0 - %cmp1 = icmp eq i32 %b, 0 - %or.cond = or i1 %cmp, %cmp1 - br i1 %or.cond, label %if.then, label %if.end - -if.then: - %call = tail call i32 @foo() nounwind - br label %if.end - -if.end: - ret i32 7 -} -declare i32 @foo() - -%str1 = type { %str2 } -%str2 = type { [24 x i8], i8*, i32, %str1*, i32, [4 x i8], %str1*, %str1*, %str1*, %str1*, %str1*, %str1*, %str1*, %str1*, %str1*, i8*, i8, i8*, %str1*, i8* } - -; Test case distilled from 126.gcc. -; The phi in sw.bb.i.i gets multiple operands for the %entry predecessor. -; CHECK: build_modify_expr -define void @build_modify_expr() nounwind ssp { -entry: - switch i32 undef, label %sw.bb.i.i [ - i32 69, label %if.end85 - i32 70, label %if.end85 - i32 71, label %if.end85 - i32 72, label %if.end85 - i32 73, label %if.end85 - i32 105, label %if.end85 - i32 106, label %if.end85 - ] - -if.end85: - ret void - -sw.bb.i.i: - %ref.tr.i.i = phi %str1* [ %0, %sw.bb.i.i ], [ undef, %entry ] - %operands.i.i = getelementptr inbounds %str1* %ref.tr.i.i, i64 0, i32 0, i32 2 - %arrayidx.i.i = bitcast i32* %operands.i.i to %str1** - %0 = load %str1** %arrayidx.i.i, align 8 - %code1.i.i.phi.trans.insert = getelementptr inbounds %str1* %0, i64 0, i32 0, i32 0, i64 16 - br label %sw.bb.i.i -} |