[X86] Implement the support for shrink-wrapping.

[oota-llvm.git] / test / CodeGen / X86 / trunc-to-bool.ll

diff --git a/test/CodeGen/X86/trunc-to-bool.ll b/test/CodeGen/X86/trunc-to-bool.ll
index f2871f7d713ca34bdae4780800151ea5019a3d00..3dd98eea7fa998ec7896be8aabd0f30763116d94 100644 (file)
--- a/test/CodeGen/X86/trunc-to-bool.ll
+++ b/test/CodeGen/X86/trunc-to-bool.ll
@@ -1,19 +1,18 @@
 ; An integer truncation to i1 should be done with an and instruction to make
 ; sure only the LSBit survives. Test that this is the case both for a returned
 ; value and as the operand of a branch.
-; RUN: llvm-as < %s | llc -march=x86 &&
-; RUN: llvm-as < %s | llc -march=x86 | grep '\(and\)\|\(test.*\$1\)' | \
-; RUN:   wc -l | grep 6
+; RUN: llc < %s -march=x86 | FileCheck %s
 
-define i1 @test1(i32 %X) zext {
+define zeroext i1 @test1(i32 %X)  nounwind {
     %Y = trunc i32 %X to i1
     ret i1 %Y
 }
+; CHECK-LABEL: test1:
+; CHECK: andl $1, %eax
 
-define i1 @test2(i32 %val, i32 %mask) {
+define i1 @test2(i32 %val, i32 %mask) nounwind {
 entry:
-    %mask = trunc i32 %mask to i8
-    %shifted = ashr i32 %val, i8 %mask
+    %shifted = ashr i32 %val, %mask
     %anded = and i32 %shifted, 1
     %trunced = trunc i32 %anded to i1
     br i1 %trunced, label %ret_true, label %ret_false
@@ -22,9 +21,11 @@ ret_true:
 ret_false:
     ret i1 false
 }
+; CHECK-LABEL: test2:
+; CHECK: btl
 
-define i32 @test3(i8* %ptr) {
-    %val = load i8* %ptr
+define i32 @test3(i8* %ptr) nounwind {
+    %val = load i8, i8* %ptr
     %tmp = trunc i8 %val to i1
     br i1 %tmp, label %cond_true, label %cond_false
 cond_true:
@@ -32,8 +33,10 @@ cond_true:
 cond_false:
     ret i32 42
 }
+; CHECK-LABEL: test3:
+; CHECK: testb $1, (%eax)
 
-define i32 @test4(i8* %ptr) {
+define i32 @test4(i8* %ptr) nounwind {
     %tmp = ptrtoint i8* %ptr to i1
     br i1 %tmp, label %cond_true, label %cond_false
 cond_true:
@@ -41,17 +44,10 @@ cond_true:
 cond_false:
     ret i32 42
 }
+; CHECK-LABEL: test4:
+; CHECK: testb $1, 4(%esp)
 
-define i32 @test5(float %f) {
-    %tmp = fptoui float %f to i1
-    br i1 %tmp, label %cond_true, label %cond_false
-cond_true:
-    ret i32 21
-cond_false:
-    ret i32 42
-}
-
-define i32 @test6(double %d) {
+define i32 @test5(double %d) nounwind {
     %tmp = fptosi double %d to i1
     br i1 %tmp, label %cond_true, label %cond_false
 cond_true:
@@ -59,4 +55,5 @@ cond_true:
 cond_false:
     ret i32 42
 }
-
+; CHECK-LABEL: test5:
+; CHECK: testb $1