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diff test/CodeGen/ARM/avoid-cpsr-rmw.ll @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 95c75e76d11b
children 1172e4bd9c6f
line wrap: on
line diff
--- a/test/CodeGen/ARM/avoid-cpsr-rmw.ll	Wed Feb 18 14:56:07 2015 +0900
+++ b/test/CodeGen/ARM/avoid-cpsr-rmw.ll	Tue Oct 13 17:48:58 2015 +0900
@@ -1,5 +1,5 @@
-; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a9 | FileCheck %s
-; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=swift     | FileCheck %s
+; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a9 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-CORTEX
+; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=swift     | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-SWIFT
 ; Avoid some 's' 16-bit instruction which partially update CPSR (and add false
 ; dependency) when it isn't dependent on last CPSR defining instruction.
 ; rdar://8928208
@@ -7,8 +7,10 @@
 define i32 @t1(i32 %a, i32 %b, i32 %c, i32 %d) nounwind readnone {
  entry:
 ; CHECK-LABEL: t1:
-; CHECK: muls [[REG:(r[0-9]+)]], r3, r2
-; CHECK-NEXT: mul  [[REG2:(r[0-9]+)]], r1, r0
+; CHECK-CORTEX: muls [[REG:(r[0-9]+)]], r3, r2
+; CHECK-CORTEX-NEXT: mul  [[REG2:(r[0-9]+)]], r1, r0
+; CHECK-SWIFT: muls  [[REG2:(r[0-9]+)]], r1, r0
+; CHECK-SWIFT-NEXT: mul [[REG:(r[0-9]+)]], r2, r3
 ; CHECK-NEXT: muls r0, [[REG]], [[REG2]]
   %0 = mul nsw i32 %a, %b
   %1 = mul nsw i32 %c, %d
@@ -21,8 +23,7 @@
 define void @t2(i32* nocapture %ptr1, i32* %ptr2, i32 %c) nounwind {
 entry:
 ; CHECK-LABEL: t2:
-  %tobool7 = icmp eq i32* %ptr2, null
-  br i1 %tobool7, label %while.end, label %while.body
+  br label %while.body
 
 while.body:
 ; CHECK: while.body
@@ -30,19 +31,19 @@
 ; CHECK-NOT: muls
   %ptr1.addr.09 = phi i32* [ %add.ptr, %while.body ], [ %ptr1, %entry ]
   %ptr2.addr.08 = phi i32* [ %incdec.ptr, %while.body ], [ %ptr2, %entry ]
-  %0 = load i32* %ptr1.addr.09, align 4
-  %arrayidx1 = getelementptr inbounds i32* %ptr1.addr.09, i32 1
-  %1 = load i32* %arrayidx1, align 4
-  %arrayidx3 = getelementptr inbounds i32* %ptr1.addr.09, i32 2
-  %2 = load i32* %arrayidx3, align 4
-  %arrayidx4 = getelementptr inbounds i32* %ptr1.addr.09, i32 3
-  %3 = load i32* %arrayidx4, align 4
-  %add.ptr = getelementptr inbounds i32* %ptr1.addr.09, i32 4
+  %0 = load i32, i32* %ptr1.addr.09, align 4
+  %arrayidx1 = getelementptr inbounds i32, i32* %ptr1.addr.09, i32 1
+  %1 = load i32, i32* %arrayidx1, align 4
+  %arrayidx3 = getelementptr inbounds i32, i32* %ptr1.addr.09, i32 2
+  %2 = load i32, i32* %arrayidx3, align 4
+  %arrayidx4 = getelementptr inbounds i32, i32* %ptr1.addr.09, i32 3
+  %3 = load i32, i32* %arrayidx4, align 4
+  %add.ptr = getelementptr inbounds i32, i32* %ptr1.addr.09, i32 4
   %mul = mul i32 %1, %0
   %mul5 = mul i32 %mul, %2
   %mul6 = mul i32 %mul5, %3
   store i32 %mul6, i32* %ptr2.addr.08, align 4
-  %incdec.ptr = getelementptr inbounds i32* %ptr2.addr.08, i32 -1
+  %incdec.ptr = getelementptr inbounds i32, i32* %ptr2.addr.08, i32 -1
   %tobool = icmp eq i32* %incdec.ptr, null
   br i1 %tobool, label %while.end, label %while.body
 
@@ -55,8 +56,7 @@
 define void @t3(i32* nocapture %ptr1, i32* %ptr2, i32 %c) nounwind minsize {
 entry:
 ; CHECK-LABEL: t3:
-  %tobool7 = icmp eq i32* %ptr2, null
-  br i1 %tobool7, label %while.end, label %while.body
+  br label %while.body
 
 while.body:
 ; CHECK: while.body
@@ -64,19 +64,19 @@
 ; CHECK: muls
   %ptr1.addr.09 = phi i32* [ %add.ptr, %while.body ], [ %ptr1, %entry ]
   %ptr2.addr.08 = phi i32* [ %incdec.ptr, %while.body ], [ %ptr2, %entry ]
-  %0 = load i32* %ptr1.addr.09, align 4
-  %arrayidx1 = getelementptr inbounds i32* %ptr1.addr.09, i32 1
-  %1 = load i32* %arrayidx1, align 4
-  %arrayidx3 = getelementptr inbounds i32* %ptr1.addr.09, i32 2
-  %2 = load i32* %arrayidx3, align 4
-  %arrayidx4 = getelementptr inbounds i32* %ptr1.addr.09, i32 3
-  %3 = load i32* %arrayidx4, align 4
-  %add.ptr = getelementptr inbounds i32* %ptr1.addr.09, i32 4
+  %0 = load i32, i32* %ptr1.addr.09, align 4
+  %arrayidx1 = getelementptr inbounds i32, i32* %ptr1.addr.09, i32 1
+  %1 = load i32, i32* %arrayidx1, align 4
+  %arrayidx3 = getelementptr inbounds i32, i32* %ptr1.addr.09, i32 2
+  %2 = load i32, i32* %arrayidx3, align 4
+  %arrayidx4 = getelementptr inbounds i32, i32* %ptr1.addr.09, i32 3
+  %3 = load i32, i32* %arrayidx4, align 4
+  %add.ptr = getelementptr inbounds i32, i32* %ptr1.addr.09, i32 4
   %mul = mul i32 %1, %0
   %mul5 = mul i32 %mul, %2
   %mul6 = mul i32 %mul5, %3
   store i32 %mul6, i32* %ptr2.addr.08, align 4
-  %incdec.ptr = getelementptr inbounds i32* %ptr2.addr.08, i32 -1
+  %incdec.ptr = getelementptr inbounds i32, i32* %ptr2.addr.08, i32 -1
   %tobool = icmp eq i32* %incdec.ptr, null
   br i1 %tobool, label %while.end, label %while.body
 
@@ -92,21 +92,21 @@
 ; CHECK: vmrs APSR_nzcv, fpscr
 ; CHECK: if.then
 ; CHECK-NOT: movs
-  %0 = load double* %q, align 4
+  %0 = load double, double* %q, align 4
   %cmp = fcmp olt double %0, 1.000000e+01
-  %incdec.ptr1 = getelementptr inbounds i32* %p, i32 1
+  %incdec.ptr1 = getelementptr inbounds i32, i32* %p, i32 1
   br i1 %cmp, label %if.then, label %if.else
 
 if.then:
   store i32 7, i32* %p, align 4
-  %incdec.ptr2 = getelementptr inbounds i32* %p, i32 2
+  %incdec.ptr2 = getelementptr inbounds i32, i32* %p, i32 2
   store i32 8, i32* %incdec.ptr1, align 4
   store i32 9, i32* %incdec.ptr2, align 4
   br label %if.end
 
 if.else:
   store i32 3, i32* %p, align 4
-  %incdec.ptr5 = getelementptr inbounds i32* %p, i32 2
+  %incdec.ptr5 = getelementptr inbounds i32, i32* %p, i32 2
   store i32 5, i32* %incdec.ptr1, align 4
   store i32 6, i32* %incdec.ptr5, align 4
   br label %if.end